we are the leading chinese manufacturer of auto tank welder, the products include girth welder , vertical electrogas welder , fillet & butt welder for large oil storage tank facbrication welding.....
Dandong Zhongyi Electronic Co., Ltd is a privated-owned technical enterprise, which combines scientific research, development and business as an integrative unity, becoming the specialised....
AnShan Ying Yat Trade Co., Ltd is a company who has its own self-determination right for import and export. It is together with AnShan HongMing Metallurgical Machinery Co., Ltd as a large-scale group....