Sinowon Innovation Metrology Manufacture Limited (referred to as: Sinowon), ISO9001: 2015 certified enterprise, Guangdong Province contract-abiding and trustworthy enterprise. The company is located in Tian'an Cyber Park, Nancheng District, Dongguan City, and its holding subsidiary, Sinowon (Guangdong) Innovation Metrology Manufacture Limited. (referred to as Guangdong Sinowon). The manufacturer is located in the high-tech industrial park of Tangxia Town, Pengjiang District, Jiangmen City, Guangdong, China, the transportation is convenient, and the logistics are well-connected.

Chongqing Drawell Instrument Co., Ltd. is a leading company of manufacturing and exporting laboratory equipment and scientific instruments, founded in year 1999 in China, then has become an joint venture company after being invested by US company since 2014.

Shenzhen Shixin Digital Co., Ltd. is an ISO9001 & ISO14001 registered video camera manufacturer since 2005, specialized in the line of digital video products & imaging components such as Security Camera, Mini Camera, USB Camera, Camera Module and HD imaing solutions; Serving Security field, Industrial, Machine vision, Biometric and Speciality OEM ODM markets.

CHANGSHA LONROY TECHNOLOGY Co., Ltd is professional in manufacturing and selling kinds of test equipments with high technology and high accuracy. The headquarters is located in Dongguan, Guangdong Province. Changsha Lonroy is proessional in Printing, Ink, Packaging, Paint Coating test equipments, and also sell other industry test machines.

SHENZHEN RUISION TECHNOLOGY Co., Ltd is a professional CCD board manufacturer in the security and surveillance field.

Providing Leading Technology and Quality Security Products

Hong Kong Wolf Security Group limited is a manufacturer which is located in Shenzhen, China, specializing in research, manufacturing, marketing of safety alarm systems, CCTV monitor systems, DVRs, smart home systems and automobile products. By strict management, strong manufacturing ability, good design and high quality output, we are able to attain ISO9001: 2000, CE, RoHS, CCCs certificate. With decades of years hard working, we have built up a worldwide recognized brand "WOLF SECURITY" in security industry. Our products such as beam detectors series, motion detector series, control panel series and CCTV camera series are exporting in large quantity to overseas market all over the world, and we have built up long term and tight cooperation with dealers as well as overseas manufactures and distributors. We provide OEM and ODM services. We are proud to be the selected supplier in military security products for Europe, Americas, Middle East, S. E. Asia and Australia etc.