Beijing Sanwei Sporting Goods Co., Ltd.

Beijing Sanwei Sporting Goods Co., Ltd. is a professional manufacturer of table tennis balls, table tennis rackets, table tennis equipment. We own a proprietary intellectual property of table tennis rackets with super-light carbon mat added in. The patent number is ZL-02246034.9. Super-light soft carbon of felt structure is a kind of thin carbon fiber mat wet processed, which is a new technology. Its fibers are multi-directionally inter-woven, with a smooth surface and strong adsorb ability. The carbon mat is 30g/square meter on average and the compressed thickness is 0.1 mm. Each layer of fiber mat is approximately 1g, so suppose a pure wooden blade is 80g. Then it will be 90g when 9 layers of fiber mats are added. Let us take the 10-layer wood and 9-layer carbon blade for example. It consists of 10 layers of thin wood and 9 layers of high-tech carbon mat. The wood has lost almost all its internal stress after having been planed many times and the 9 layers of carbon mats are a...