Hong Qiangxing (Shenzhen)Electronics Limited is a manufacturer and always aim to get the highest level of satisfaction of customers by OEM/ODM service:

Hong Qiangxing (Shenzhen)Electronics Limited is a manufacturer and always aim to get the highest level of satisfaction of customers by OEM/ODM service:

Printing your logo on the product,package box and Instruction manual to customize a unique

Design your APP and function development.

Product design-including structure and electronics.

Mold design and production.

Prototyping and testing for concept ideas.



Customize a unique and novel design for you



Design and produce according to customers requirements



Safe transport


After-sale service

Provide professional after sale service

ALL products

TENS Unit TENS&EMS Accessories EMS Muscle Stimulator Beauty Device Heating Products Other Massage Tools Physiotherapy equipment tens

tens massaging machine

Multi-functional tens massage modes for pain and muscle relief. TENS unit help reduce pain and muscle spasms caused by a wide range of conditions including: arthritis, period pain, knee pain, neck pain, back pain, sports injuries.Tens massager is a powerful weapon in your fight against chronic pain.

tens stimulation unit

The TENS stimulation unit wireless feature allows you to place the pads on any muscle or joint and target your pain with 6 modes. Adjust the 20 intensities of pressure depending on your desired relief level.

tens electric pulse neck massager for pain relief

Wireless TENS Unit is your personal masseur at home. Helps with muscle pain, soreness & body ache relief. Self-training at home in gym and office. Feeling achy or sore on your back, shoulder, waist, leg, snap on the tens massager pads and instantly begin to enjoy the benefits. Standing up or working on the computer too long? Relief fatigue with this mini TENS unit.

tens unit electronic pulse massager

Wireless APP or remote control TENS unit,operate it on your phone directly,more easy and convenience,one app can control two devices at the same time,loose adhesion and smooth joints relax muscle and relieve the muscle and relieve the muscular spasm.promote blood circulation and relieve pain.

electric tens therapy device

Multi-functional tens massager for pain and muscle relief.TENS Unit helps reduce pain and muscle spasms caused by a wide range of conditions including arthritis, period pain, knee pain, neck pain, back pain, sports injuries.

touch screen tens

Large screen LCD and easy user interface makes it easier for elders to read and operate the ems muscle stimulator. Convenient viewing in the dark with a large viewing screen. With touch screen TENS muscle stimulator, you have no need to press the mini button again and again to select the mode you want. Just touch the screen to select the mode you like with your finger. So easy.

electron stimulador tens

Large screen lcd and easy user interface makes it easier for elders to read and operate the tens unit,Stimulates the muscles in order to improve and facilitate muscle ,to be used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, upper extremities and lower extremities due to strain from exercise or normal household work activities.

tens unit electrode pads

Reusable Electrodes:Our pads are washable and reusable, up to 60 times reusability by using in right way. If the pads contaminated with dust or dander, you can rinse the pads with running water and dry it natrually, it will be sticky again.

tens replacement pads

Designed with you in mind, our premium pads are latex-free and non-irritating to ensure users of all skin types have a safe, comfortable experience! They also feature gray cloth backing for durability and re-sealable packaging for a longer lifespan.

tens machine pads

As a powerful muscle stimulator, a TENS machine helps relieve pain. But when electrode pads lose their stickiness, the unit becomes useless. Compatible with most TENS models, our replacement pads have your unit running like new again!

tens pads electrodes

Standard 5mm connector TENS electrodes pads are classic and commonly used in medical area, which makes it easier for you to find compatible TENS unit muscle stimulator & accessories. CE, FDA510K Approved. Highly ensured for optimal safety when getting fast relief through certifications, further protects you from harmful additives and consumption of prescription medication.

tens pads

Excellent material TENS/EMS unit reusable electrodes made by medical-grade material.used in conjunction with your TENS/EMS unit can effectively relieve pain and provide the best massage experience.

tens electrode pads

This is very durable and provides perfect flexibility and comfort enabling curving to body contours and around Joints for high conductivity electric shock therapy without skin irritation or chafing.

tens unit pads

Our pads are washable and reusable and last longer.You can rinse the pads with running water after several time used if the pad contaminated with dust or dander.Easy to remove with no sticky residue left behind.

electrodes pads tens unit

The electrode gel is made by an industry-leading American adhesive company, bio-compatible, non-irritating, latex-free and superior environmental adaptability of hydro-gel. Provides excellent self-adhesive performance.

New fitness training pants 2021

Recover faster and boost circulation,reduce pain and soreness like a personal, on-call massage therapist,fully connected mobile app,OEM and ODM service

muscle stimulator

wireless remote control muscle stimulator,which can firm,tone,strengthen and tighten muscles use 20 minutes equivalent to 300 abdominal movements everyday suit for lazy abdominal muscle exercise,you can use it while working,leisure or housework

EMS stimulator

diving cloth material is skin-friendly and dirt-resistant,big belt and extension strap suit for all body shapes,OEM and ODM service

ems muscle stimulation machine

Our leg massager provides cyclic air compression around your calves and feet, loosening stiff muscles,relieving fatigue and improving circulation.

abs stimulator

firm,tone,strengthen and tighten muscles.use 20 minutes equivalent to 300 abdominal movements everyday,20 levels adjustable speed and strength can be adjusted directly

ems muscle stimulator

lazy abdominal muscle exercise ,use it while working,leisure or housework,it also can be used for pain relief and body relax

tens ems muscle stimulator

new type controller with LCD screen,big belt suit for all body shapes,it also can be used for pain relief and body relax

EMS fitness clothing

provides lightweight warmth,comfort and versatility, use it while working,leisure or housework,it also can be used for pain relief and body relax

gua sha electric massager

This cosmetic skincare tool helps facial rejuvenation and gives your skin a smooth and healthy glow.surface special treatment skin care tools. It is safe and efficient to promote the blood circulation.

Gua Sha instrument

Activate skin cells metabolism, restore skin firmness and elasticity, preventing the aging, enhancing immunity. Get dramatic beauty results, Radiate your beautiful skin.

breast massager

The device uses EMS technology to increase the breast is absorption and metabolism of nutrients in your body,therefore breasts will be lifted and appear more full

rf skin tightening machine

Enhances skin elasticity and cell function, and helps increase blood flow to make your skin more beautiful and younger. please keep your skin moist to active old cell and stimulate collagen synthesis and increase intracellular fluid. Effectively reduce fine lines, lift skin tightening.

EMS face massage

Radio frequency skin tightening triggers your skin's own healing process. It stimulates the skin to produce elastin fibers and collagen that you have lost over the years. This means that the skin lift you get from using it will last longer.

Multi-functional Face Massager

Eye massage and facial skin deep thermal therapy. Promote collagen regenerate quickly, inflammation dissipated, and modulate cellular activity, so that reducing fine lines, crow's feet, dark circles, eyes puffiness and fatigue.

face massage

This type tightening and lifting device provides a non-surgical and painless, anti aging and wrinkle removal treatment. The RF waves deeply penetrate skin tissue, heating it up and stimulating collagen and elastin production, and result in smoother, tighter, and toned more youthful skin

face massager tool

Vacuum extraction technology to help you reduce blackhead and dead skin, clean facial pore, make your skin healthy.Results from 50,000 customers aged between 25 and 70 from cooperative beauty salon show that 73.3% of them saw visible facial skin improvements in only 4 weeks. 12.6% of them saw visible results within 60 days. For Body you may need at average 3-5 month time to see visible result. Time is the key!

heating knee pads

helps to relax knee and the surrounding calf and thigh area muscles, reduce joint pain and muscle stiffness,the heating will further relieve muscle soreness and help with better circulation, reduce joint swelling, speed up injury recovery.

heated socks

SUNMAS Heated Socks for Men and Women Known As Winter Life Savor,Unisex Electric Heated Socks Are Great Fit for Winter Cold Days Indoor Outdoor Sports Climbing,Hiking,Motorcycling,Snow,Skiing,Mountaineering,Snowboarding Cycling,Biking,Hunting, Walking the Dog Foot Warmer.

Heated pad

Perfect for covering large muscle groups in your back, neck, shoulders abdomen or legs. Features automatic shut-off function and comes with a handy storage bag

Heated vest

Lightweight insulated for you to wear in many ways with unrestricted movement; Water and wind resistant.perfect for the daily commute, walking your dog in the brisk fall air, tailgating for your favorite football team, wearing underneath your winter jacket or even in a way-too-cold office!

Heated coat

Softshell fabric exterior with breathable linning ensures you don't lose any excess heat and enjoy comfortable warmth; Detachable hood is specially designed for chilly mornings and extra protection on windy days; Water and wind resistance for your unrestricted movement towards outdoor.

Heated ankle wrap

Unique design enable using for either Achilles tendon or Plantar. Heats in seconds, provides ultra comfy hot therapy to soothe the symptoms of Tendonitis, arthritis, heel pain, heel spurs, muscles strains, chronic pain.

Heated belt

Quickly heat up to provide hot therapy to relieve lower back muscle tension, abdomen pains,menstrual cramps and stomach discomfort, leg arthritic,etc and enhance blood circulation.

Heated gloves

This is heated gloves can provide warmth to some extend even do not use the batteries to turn on the heat settings.If you need to promote the blood circulation and relief cold hands pains,recommend use rechargeable li-ion batteries,thus the relief pain function will be better.

Eye Massager

Adjustable elasticated strap and nasal bridge make it truly ergonomic design, which can fit the faces of the majority, you can adjust the elastic band to avoid pressing the bridge of your nose and get the most comfortable massage. With comprehensive functions and elegant appearance, perfect eye relaxation therapy gift for your family,lover, teacher or friends.

eye massage instrument

The smart eye massager are 180° foldable, making it small to put in your bag and used in office, airplane, travel, even anywhere.

smart eye massager

There are integrated 5 mode, combined in different modes to make you enjoy eye massage spa, can help you to relieve eye fatigue and reduce eye circles, providing you comfortable and pleasant experience

Chest massager

Scientific human engineering design, in accordance with the physiological curve of the chest, suitable for all kinds of adult physique.Apply the principle of physical massage, stimulate the breast, regulate the body's endocrine and produce breast muscle movement,and then stimulate the growth of breast fat cells.

chest massage machine

This chest massager help make breast skin white and tender. Stimulates the secretion of collagen and activates the breasts, improves the elasticity of breast skin, and tightens. Effectively prevent breast hyperplasia.

massagers breasts

According to the principle of ergonomics, this chest massager adopts a surrounding design to closely fit the chest line. Wireless design, lightweight, easy to carry and use. this chest massager can dredge breast ducts, strengthen breast tissue, improve loose breasts and breast deformation, accelerate blood circulation.

Massage pillow

SUNMAS is perfect to use on lower and upper back, neck, abdomen, Convenient Strap helps you mount your massager to your favorite chair so that you can target your sore spots. Perfect for long car rides or your office chair!

Gua Sha board

Gua Sha helps to promote blood circulation, is very helpful to relax muscles. Gua sha massage tool always maintain a relaxed and elegant mood. The use of scraping board can also help the absorption of cream and essence.

tens massaging machine

Multi-functional tens massage modes for pain and muscle relief. TENS unit help reduce pain and muscle spasms caused by a wide range of conditions including: arthritis, period pain, knee pain, neck pain, back pain, sports injuries.Tens massager is a powerful weapon in your fight against chronic pain.

tens massager physiotherapy

Accelerate microcirculation and promote the absorption of inflammatory substances,loose adhesion and smooth muscular spasm,promote blood circulation and relieve pain

tens physiotherapy

Wireless APP or remote control TENS unit, allows you to invisibly treat pain and build muscle anytime and anywhere,accelerate microcirculation and promote the absorption of inflammatory substances.loose adhesion and smooth joints relax muscle and relieve the muscle and relieve the muscular spasm.promote blood circulation and relieve pain

physiotherapy tens machine

Professional pain relieve TENS unit clinically-proven, natural and effective tens device for easing pain without requiring the user to take medicine for problem areas such as the back, joints, neck, knees, shoulders, ankles, legs, wrists, and elbows. Enjoy relaxing massages with a CE cleared tens machine

physiotherapy equipment tens

Mini TENS unit SM9128,it can be used on waist.back.abdomen and leg etc for the pain relief and body relax,improving the sleep quality,eliminating physical fatigue relaxing muscles and joints,enhance human immunity,enhancing circulation



company established


Suppliers for Amazon Top 10 sellers

20 +

Technical R&D team

20 +

Product Patent Certification

5000 +

Global cooperative clients



HONG QIANGXING(SHENZHEN) ELECTRONICS LIMITED is a manufacturer specialized in health care products since 2003, certified with ISO13485,FDA 510K,FCC, Medical CE etc. With 20+ years' OEM/ODM experience and being the golden supplier of Amazon Top 10 sellers.


Our Main products are TENS Unit for pain relief,EMS Muscle Stimulator for muscle training, Skincare Beauty Device,Heating Products etc.With a 20+ professional engineering R&D team,customized orders are easy to realize!

Learn more +


European Medical CE--CE0598


Medical quality management system lS013485


European Medical CE-- CE0123


United States FDA


Operation planning started,the establishment of SUNMAS brand


Establishment of the company

2020 FDA
2020 FDA2



Production Flow



Design: design the appearance according to customer needs Packaging, accepting customized requirements (including customized colors,sizes, packaging, etc.)



Research and development:carry out product research anddevelopment according to customer needs, Improve the design, Make the product meet the market demand.



Test the product by opening the mold of the hand sample Whether the appearance conforms to ergonomics, And whether it can meet the product functions.



Inspect products through prototupe testing Whether it meets the needs of market customers, Whether the function mode is reasonable.


What requirements should Wholesale electric tens therapy device manufacturers meet

Wholesale electric tens therapy device manufacturers should provide good after-sales service and support, including product warranty and technical support.

Jul 17,2023

Is the electric tens therapy device from China manufacturers a great option for pain relief

The electric tens therapy device from China manufacturers is also personalized and multifunctional. Including preset treatment mode and intensity settings, adjustable time and display screen, and other functions to meet the needs of different users.

Jul 10,2023

What is the market prospect of the customized tens pads electrodes for home users

More advanced electrostimulation technology, and innovative design make customized tens pads electrodes for home users more comfortable, durable, and easy to use. This further enhances the user experience and expands its market application.

Jul 03,2023

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