In 1998, Suzhou City, Jiangsu province Kunshan county Road 4, the establishment of private Kunshan dongfanglong machine equipment Co. Ltd. is mainly engaged in furniture, electronic products, automotive vehicle electrophoretic coating and metal electrophoresis equipment manufacturing
In 2005 the establishment of Tianjin dongfanglong coating equipment Co. Ltd. in Beichen District of Tianjin City, the company covers an area of 40 Mu, mainly engaged in processing, the anode electrophoresis surface processing, production and manufacture of coating equipment
2011年于苏州昆山电著加工设立分厂--昆山瑞正金属制品有限公司，是一家集电子产品、汽车配件、及其他五金机械零配件生产、销售，以及专业 金属表面处理为一体的专业化公司。 公司拥有标准厂房面积4500平方米，拥有2条独立整套全自动电泳生产线，1条亚光彩色生产线，是一家同时拥有黑色亮光、亚光、彩色ED电泳加工的企业，承接各种电泳加工业务。
Kunshan Ruizheng metal products Co. Ltd., Founded in 2011 in Suzhou Kunshan, is a set of electronic products, auto parts, hardware and other mechanical parts production and sales, as well as professional metal surface treatment as one of the specialized company. The company has standard workshop area of 4500 square meters, with two Independent automatic electrophoresis production lines, one sublight color production line, is a company with black light, Matt, color ED electrophoresis processing enterprises, to undertake a variety of electrophoresis processing business
Changsha RuiZheng Coating Technology Co., Ltd. was founded in 2014, registered capital: 10 million, the company covers an area of 24000 square meters, is a professional engaged in electrophoresis surface treatment of high-tech enterprises. Mainly engaged in coating equipment, assembly line production and sales, electrophoresis, electrostatic spraying, auto parts and hardware products production and marketing. Mainly for the Changsha electrophoresis processing, as well as central China electrophoresis processing, electrophoresis coating equipment manufacturing business
In January 2015, cast a smooth electrophoresis tank; successful trial production, and become BYD, GAC MITSUBISHI, GAC FCA supplier quality approval
In December 2016, the first phase of the new plant in Changsha Rui zheng Coating Technological Co., Ltd. was put into production
In August 2017, the two phase of the new plant started.