The headquarter of Rongsheng Petrochemical Co., Ltd. ( Stock abbreviation: Rongsheng Petrochemical, Stock code: 002493) is located in Hangzhou, Zhejiang Province, which is one of the leading enterprises in the petrochemical and polyester industry in China. Keeping a foothold in the main industry and sticking to manufacturing, Rongsheng is an international company developing with a complete industry of refining, petrochemical, new polyester materials. The company has one of the worlds largest PTA producers and the worlds leading intelligent production bases of functional fibers, with 21 thousand employees totally. Establishing a high-tech research and development center, an academician expert workstation, a enterprise technology centre and a post-doctoral scientific research workstation, Rongshengs enterprise competitiveness and brand value has ranked in the forefront of the international industry. The company is mainly engaged in the research and development, production and sales of petrochemical and polyester related products, forming a complete industrial chain covering from crude oil to arene (PX) and olefin, pure terephthalic acid (PTA) and ethylene glycol (MEG), polyester (polyester chips, bottle chips, films), spinning (POY, FDY) and finally texturing (DTY). In the petrochemical field, Zhejiang Petroleum & Chemical Co.,Ltd., the subsidiary company of Rongsheng Petrochemical, invests a green refining-chemical integration project with an annual processing capacity of 40 million tons of crude oil in Zhoushan archipelagos. Based on the construction concept of World-class and Environmental Protection, the project will form a world-class, integrated and modern green petrochemical base. The subsidiary company Ningbo Zhongjin Petrochemical Co., Ltd. completed the aromatic project in 2015 with an annual capability of 2 million tons. Moreover, Rongsheng and its cooperators have successfully set up Yisheng series PTA industries in Ningbo, Dalian, Hainan, becoming one of the worlds largest producers. In the polyester field, Rongsheng has set up direct polyester spinning, polyester chips, polyester films and other supporting industries, and actively implements intelligent and digital workshops, which is the earlier high-tech automatic assembly line system for the chemical fiber industry to realize Machine Replacement. Since established, the company devotes itself to quality management, and its core products have passed the certifications of ISO9001, ISO14001, OHSAS18001, Oeko-Tex Standard 100 and Zhejiang Made . Rongsheng has actively built various research and development platforms, and persists in the R&D mode of both Self-dependent Innovation and Opening up and Cooperation, continuously strengthening R&D level. Currently, Rongsheng has set up a large scale independent intellectual property system, effectively promoting the companys innovative development.