pin for ring nut assembling/disassembling wrench 4021290 tool of orifice plate

Shandong Liaocheng Derun EMT Developing Co., Ltd was established in 1986, the company covers an area of 60,000 square meters, among which the construction area is 36,000 square meters, and has a fixed asset of 38 million Yuan. Currently, it owns over 360 employees and its product R&D personnel, professional technical personnel, and quality management personnel account for over 20% among the company’s total staff. As one of the largest enterprises manufacturing automotive diesel spare parts, Shandong Derun has always adhered to the principle of “winning reputation by honesty and pursuing high quality but low profits” and has developed into a manufacturing base mainly producing parts of universal gasoline engines and automotive diesel engines.