Kolvin specializes in three major categories of products; these are rechargeable battery chargers, electrical healthcare products and small electrical appliances. Over the years, the company has built up a strong and reputable expertise in product development and manufacture in the industry.

Kolvin has acquired ISO9001, ISO9002, ISO13485 and ISO14001 to ensure every one of its products meets stringent quality control and is completed to our highest of standards.

The company also supplies high quality products to many prestigious brands on OEM asis.

Kolvin endeavors to establish a first class relationship with customers as the company believes that a long-lasting and steady business growth can only be achieved by ensuring both parties mutually benefit from high quality products and a first class. Kolvin always tries to ensure that every customer has a rewarding experience with the company. From stringent product quality control to dedication for superior customer service, you are promised the best result possible.

MANUFACTURING: As a trusted name in the rechargeable battery charger industry, and as one of the first foot massager manufacturers in Hong Kong, Kolvin contributes a lot to the fast-expanding market and technological innovation. Kolvin's designs are most notable for their reliability, outstanding performance, flexibility and convenience. All products are compliant with the international safety standards UL, C-UL, TUV/GS, CE, SAA, SEMKO, NEMKO, KEMA to name but a few.

In addition, the company has set up its policies to ensure that all products are meeting the strict standards (i.e. green products) and requirements (i.e. ROHS); this also applies to our materials suppliers. The factory has its own facilities such as X-ray Fluorescent Spectrometer, Hexavalent Chromium Meter, Lead Free Soldering equipments as many others. The company also has two established and well-equipped production bases in Shenzhen.

Kolvin has an extensive line of SMT