丝袜紧身裙国产在线播放,国产caob,色综合久久久久久久久五月性色,久久婷婷激情,欧美成一级,国产高清自拍一区,日本韩国一区

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.