20 years experience of producing springs and hardware parts. Rohs and SGS are reached. Any spring is ok to make if the diameter between 0.1-11mm. Customized products is ok. on the basis of technology development, the company has taken in a group of experienced personnels who are talented in senior management, marketing and skills of producing. In the company, great attention is paid to basic management, stable quality, continuously improving pre-sale services, sale and after-sale services, and enhancing the market competitiveness of our products.