In October, 2010, the company passed the ISO/TS16949: 2009 quality system certification of the automotive industry, at the same times,earlier started ISO14001: Environmental Management System certification.

In April, 2010, the company completed a new eco-industrial park, with 10 the most advanced twin-screw extruder production line, annual production capacity of over 50,000 tons;

In February, 2009, the company was securitied as the "integrity unit" by Nanjing Bureau of Labor and Social Security;

In March, 2006, the company and Korean businessmen jointly established the "Nanjing Li Jia Plastic Development Co., Ltd.";

In 2006, the company was re-assessed as "the contract and trustworthy enterprise" by Nanjing people's government;

From 2005 to 2008, our company was identified as "AAA" corporate credit rating for three consecutive years by the People's Bank of China Nanjing Branch;

In December, 2005, the company passed the ISO14001: 2004 environmental management system certification, strided into the new "green" business ranks;

In September, 2004, the company flame-resistant series of plastic products passed the USA UL safety certification, which symbolized that the company products had taken a firm step for International market;

In 2003, the company was assessed as "the contract and trustworthy enterprise" by Nanjing Industrial and commercial administration bureau chief;

In September, 2003, the company acquired import and export qualification of enterprises to lay the foundation for expanding international trade;

In January , 2002, the company passed the ISO9001: 2000 international quality system certification, which marked the company's management developed towards a scientific, standardized and institutionalized direction;

In 1998, our company adopted foreign advanced ERP management system; The beginning of the introduction promulgation of the EU ROHS standard, the company introduced a polarization X-ray fluorescence spectrometer made in Germany to ensure first-class products and to meet customers' requirements;

In 1997, the factory was renamed Nanjing LiJia Plastic Industrial Co., Ltd.;

In 1996, the first modular twin-screw plastic extruding machine production line are bought in company, had application in modifing and exploiting for high-performance engineering plastics;

In 1995, the company Configured advanced plastics testing equipment and established performance testing room in order to enhance research and development capabilities;

In 1993, our company's products are designated as a qualified products and rated as qualified suppliers by Japanese-owned enterprises "Suzuki Musical Instrument Co., Ltd.";

In 1991, Qian Yu-guo established Nanjing Yuhua process plastics factory which located in No.131-1, Zhonghe bridge Road, Qin-huai District, Nanjing, and began to research & develop and produce engineering plastics, entered the Chinese plastics market;