Chengdu-made automobile engine block will account for 20% of the national


The reporter was informed that the second joint venture of the Hong Kong Dechang Electric Co., Ltd., the first joint venture in western China, Chengdu Rongxin Group Tonglin Casting Co., Ltd., which has an annual output of 1.2 million automobile engine blocks, was officially put into operation in Dayi County, marking the city’s The share of the domestic auto parts market will increase to more than 20%.

It is understood that Chengdu Rongxin Group Tonglin Casting Co., Ltd. produces four types of automobile engine block casting products with more than 30 varieties. The sales volume reached 600,000 units last year, accounting for 12% of the national market share. In the beginning of last year, Tonglin Casting Co., Ltd. and Hong Kong Dechang Electric Co., Ltd. successfully entered into a joint venture with a new investment of US$12 million to build the second phase of the casting project. After the second phase of the project is put into production, it will achieve an annual output of 1.2 million sets of automobile engine blocks, becoming the largest in China. Automotive engine block commercialization of rough production enterprises. At present, the company has established a supporting relationship with U.S. General Motors, Honeywell, Cummins, etc. During the year, these foreign cars will use Chengdu engine blocks.



Tube bending steel is the umbrella term for metal forming processes used to permanently form pipe or tube. Respectively are form-bound,free form-bending procedures,roll bending,.as well as between heat supported and cold forming procedures.The process starts with loading a tube into a tube or pipe bender and clamping it into place between two molds, the clamping block and the forming die. The tube is also loosely held by two other dies, the wiper die and the pressure die.Tube bending steel used material are aluminum, stainless steel,ordinary steel,cold rolled steel and so on.Surface treatment after processing: electroplating,sand blasting,powder coating,brushing, anodized treatment. Broad-spectrum.

Three roll push Bending Process

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