Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
The composition of a tennis racket
A tennis racket consists of a racket head, racket throat, and racket handle. It also needs to be used with accessories such as tennis strings and shock-absorbing knots. Different tennis rackets are suitable for different groups of people. Carbon fiber material is made of some organic fibers (such as nylon yarn, acrylic yarn, rayon, etc.) as raw materials, and organic fibers are combined with plastic resin, placed in rare gas, and carbonized under high temperature and high pressure at 2000--3000 degrees. Carbon fiber is a fibrous carbon material, generally used in aviation, military, etc., English carbon fiber.
Carbon materials are generally materials containing carbon elements, such as graphite, powder, English carbon.
Tennis racket material carbon aluminum material, carbon titanium material, the price is relatively cheap
Tennis racket material fiberglass 400--1200 RMB
Tennis racket material carbon /glass fiber (carbon material / glass fiber) The price is generally 700----1300 yuan
Tennis racket material carbon fiber (carbon fiber) The price is generally 1700---3000 yuan
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