Jiang Su Changhai Composite Materials Co., Ltd. Changzhou City by the Sea Glass Products Co., Ltd. (hereinafter referred to as a long sea glass) to establish the overall change is a professional manufacturer of fiberglass products, science and technology business, residence for the town of Changzhou Wujin Yaoguan Tangqiao. The company has a joint venture subsidiary - Changzhou Changhai Glass Co., Ltd.. Founded in May 2000, after several years of rapid development, long sea glass from an annual output of 2 million small business growth with 25,000 tons for the production of glass fiber products, annual sales of more than 300 million science and technology enterprises. July 2009, the company received Changzhou, Jiangsu Province Administration for Industry and Commerce of the shares issued business license, registered capital of 90 million yuan. As of December 31, 2009, the company has 178 full-time staff, the sea has long owned subsidiary of the new full-time staff of 73 people.

has been a long sea will "survive by quality, variety development" business philosophy penetrate into the production process of every link. The company's leading glass fiber production line more than ten, testing equipment, to meet the domestic and international customers need to produce all kinds of fiberglass products. Currently, the company has formed a glass fiber chopped strand mat, fiberglass wet mat, battery composite partitions, glass fiber mat coated products and other major special carpet. Product end-user coverage automobile manufacturing, building materials decoration, road traffic, oil pipelines and other major industries.

in 2004 passed ISO9001: 2000 quality system certification in 2005, won the National Award for waterproof building material industry, Jiangsu Provincial Science and Technology Agency identified as high-tech enterprises, Product EMC 100g/