Houma Dong Xin Machinery Foundry Co.,LTD. is a professional ductile iron crankshaft manufacturing enterprise. The company has the staff of 510 people, including high school level professional and technical personnel more than 40 people. The plant covers an area of 60,000 square meters, the construction area of about 27,000 square meters. The company has two casting production plants, three machines and production plants. It owns 6 intermediate frequency smelting electric furnaces with 1 tons capacity each, 7 automatic production lines of iron clad sand, 1 automatic clean production line , 4 ductile iron crankshaft machine and production lines. Fixed assets worth more than 120 million yuan. The production capacity of annual production reached 35,000 tons, with an annual output of ductile iron crankshaft 2 million, with an annual output of more than 380,000 pieces of finished products of ductile iron crankshaft.
The company has established a complete quality management system, has passed ISO9001:2000 and ISO/TS16949 quality management system certification. With the selection of high quality ductile iron cast iron, the crankshaft is produced by the technics of the use of intermediate frequency electric furnace smelting, iron type sand molding, heat treatment and strengthening of the rough production process. The machining technology includes numerical control lathe, CNC grinding machine, high precision dynamic balancing machine, high resolution flaw detector and nitriding, and fillet rolling, in order to machine, test and surface strengthen of the production. Leading product material can be up to QT800-3; and according to user requirements, it can produce the rough models or finished productions of QT600-6, QT850-5, QT900-5 and Austempering ductile iron (ADI) etc.
With strong technical strength and excellent product quality, with "credible cooperation, mutual benefit and win-win" as the principle, the company has established the strategic cooperative partnership with many auto-manufacture enterprises. The production with "DX" trademark crankshaft products has reached 180 varieties, which includes gasoline engine, diesel engine, air compressor, refrigeration and other industries. Now the company is one of the largest manufacturers specialized in the production of ductile iron crankshaft. We provide our productions to many well-known domestic enterprises, such as: Great Wall Motor Company Limited, Brilliance Auto, Geely Holding Group, Chery Automobile Co., Ltd, ZOTYE AUTO, Changan Group, Beiqi group, Yunnei Power, Deli company, Lijia company, Jiangdong group, Quanchai group, Yuchai group, Yu an group .
In order to achieve the the dream to fly , we are building our strong wings. For tomorrow's glory, we will put great efforts on the way! With the first-class quality and perfect service, our company is sincerely willing to cooperate with other colleagues in the industry to create a better future!