Shenyang Rubber Tube Factory 1949.

Shenyang Sung Jin Chemical Co., Ltd (Sinoforeign Joint Venture) 1993.

Shenyang Sung Jin Chemical Co., Ltd combined with Shenyang No.3 Rubber Factory and Shenyang Rubber Products Factory 2009.

In 2018, industrial hose was independent from the former company and established VHMarineTech Co.,Ltd, which focus on designing, researching and manufacturing marine engineering products such as dredging products, oil hoses, deep sea mining hoses. VH devotes to be a leader in global marine engineering equipment market segment.

For decades, based on strengthening traditional dredging products, the company developed various highperformance new products. Meanwhile, the company brought in advanced marine oil hose manufacture and test technology, became the first manufacturer with independent intellectual property rights; the first manufacturer that was certified by overseas classification societies in China.

Series of dredging hoses were widely used in domestic and overseas dredging projects; the hoses were sold to South Korea, Japan, Malaysia Singapore, Australia, Egypt, Netherlands, Belgium and USA. Marine dredging hoses share the largest percentage of exports in China.