成人亚洲性情网站WWW在线观看,午夜精品久久久久久99热,人与禽A片啪啪网站,水蜜桃亚洲一二三四在线,狠狠色丁香婷婷久久综合

Zhejiang Cheng hong machinery co., LTD is a professional engaged in PE, HDPE, PPR thermoplastic manufacturers, with advanced technology, practical function, the product through the CE certification, by country, customers at home and abroad.Within the scope of zhejiang province is the largest of the welding.

Specializing in the production of supply , semi-automatic docking hot melt welding machine (hydraulic semi-automatic and manual), large diameter plastic pipe socket welding machine, PPR hot melt. The products are sold well all over the country more than 30 provinces, autonomous regions, and exported to the Middle East, eastern Europe, southeast Asia, central Asia and other African countries.