大陆成人av片,日韩欧美综合在线,深夜视频一区二区,亚洲少妇中出,免费看黄色片在线观看,aaa少妇高潮大片免费观看喷水,亚洲影院一区

CN

R & D

Company passed the ISO9001:2000 international quality management system certification, we have established from product design, raw materials into the factory to the factory the whole process of quality control system. In recent years, the quality of our company's products has been steadily improved, and the failure rate has been gradually reduced. In 2006, our company introduced large CMM international first-class, realizedthe digital automatic control parts.

ABOUT US

Established in 1992, The company has grown up as time passed for thirteen years. The company covers a land area of over 72600 square meters (110 mou) and production place occupy 23000 square meters. Own more than 3000 ten thousand yuan property. Own an excellent production and scientific research group including more than 20 high–degree engineer, engineers, experienced technicians, improve products and advance performances of the products.