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Founded in 2003, Hong Qiangxing (Shenzhen) Electronics Co., Ltd. is a professional manufacturer of home medical and healthcare therapy devices. With SUNMAS as our core brand, we focus on TENS and EMS technologies, offering solutions that cover TENS pain relief, EMS muscle stimulation, heating therapy, body massage, menstrual pain relief, tDCS/tVNS neurostimulation, and red light therapy.
With over 23 years of experience, SUNMAS operates under strict international quality standards. Our quality management system is certified to ISO 13485 and MDSAP standards, and we have passed Costco and Walmart audits. Our products are supported by FDA 510(k), Medical CE, MDL, FCC, and UL certifications. EU MDR preparation and Brazil ANVISA registration are also in progress.
SUNMAS combines a 30-engineer R&D center, a 150-member quality team, and a 5,000 m² automated production facility, enabling a monthly capacity of over 150,000 units.
As a trusted OEM and ODM partner, SUNMAS helps global customers turn innovative healthcare concepts into successful products and strengthen their positions as market-leading brands.
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Each milestone marks a step forward in our pursuit of innovation and excellence.
Obtained Medical CE certification, further strengthening compliance in the European market. This certification significantly improved market access for medical and wellness applications in Europe and enhanced the brand’s professional recognition and competitiveness in global markets.
SUNMAS brand was officially established, initially focusing on the R&D and production of TENS therapeutic massage slippers. With stable product quality and a clear market positioning, the brand quickly gained strong recognition in Indonesia and gradually became one of the well-known local health and wellness brands, laying a solid foundation for future international expansion.
The company entered the U.S. market, marking a key step in its global expansion strategy. The TENS model SM9128 became a representative classic product in the industry due to its stable performance and positive user feedback. SUNMAS gradually established a stable customer base in the U.S. and became an important player in the electrotherapy sector.
The company successfully obtained its first FDA 510(k) clearance, officially entering the regulated medical device system. This milestone significantly enhanced product compliance in international markets and enabled access to North America and other high-standard regulatory regions.
Passed the ISO 13485 medical device quality management system certification, establishing a fully compliant international quality management system. At the same time, the DOMAS brand was officially registered, further improving the company’s multi-brand strategy and global product portfolio.
To further enhance R&D and manufacturing capabilities, the company established a R&D center in Chongqing and invested several million RMB in product development and production system upgrades. The Roblink R&D center was also established, forming a professional R&D team of over 20 members. The factory was expanded to a 5,000 m² modern production facility, with the workforce increasing to 200 employees and equipped with four automated production lines, achieving stronger integration between R&D and large-scale manufacturing.
Successfully passed the MDSAP (Medical Device Single Audit Program), enabling unified regulatory access across major medical device markets including the United States, Canada, Australia, Japan, and Brazil. This milestone further strengthened the company’s global regulatory compliance capabilities and international competitiveness in the medical device industry.
We uphold the highest standards of safety and reliability to protect every user’s well-being and deliver trustworthy home healthcare solutions.
Strictly adhere to ISO 13485 and MDSAP, establishing compliant processes across the entire product lifecycle.
Our R&D team of over 20 engineers conducts multi-dimensional validation on performance, safety, and real-world use for every product.
3,000㎡ modern factory with 3 automated lines and full traceability ensures batch consistency for over 90,000 units per month.
Our products are exported to multiple regions worldwide, with a strong presence across Europe, North America, Asia, and beyond. With stable supply and consistent quality, we support partners in diverse markets.
Serving customers in over 50 countries worldwide.
We collaborate with clients worldwide, delivering reliable medical and healthcare solutions with consistent quality and performance.
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