Our company was found in 2001 and started with retractable series products with spiral spring. Currently, our company has more than 200 existing staff members, and about 20 specialized R&D engineers. Our company is a subsidiary of Hong Kong YSH Enterprise Co., Ltd., which has branches in Changsha, Zhengzhou and Shanghai. We are a comprehensive enterprise specialized in the research, design, production and sales, and own 10 years of OEM management experience. At present, we are dedicated ...