国产成人综合视频-国产成人综合亚洲-国产成人综合亚洲av成人专区-国产成人综合亚洲av第一页-国产成人综合亚洲av网站-国产成人综合亚洲av小说

< p > Tianchang City Hengtong metal products Co., Ltd. created in 1990, is the predecessor of Tianchang City global wire drawing mould factory, and in 1997 changed its name. The company specializes in the development, development and production of wire drawing die.

Hengtong company has a history of nearly 25 years, in metal wire drawing die in the field with the spirit of continuous innovation, technical excellence, strict quality management, and create value for customers, won the good reputation.

Hengtong company efforts to provide customers with innovative products and services, quality, to meet the changing needs of the market.【MORE+】