research, development, production, sales and after-sales of all carbon fiber sports equipment carbon fiber badminton, carbon fiber tennis racket, hockey stick, lacrosse stick, cricket racket, ice hockey stick, baseball bat, golf club, squash racket, carbon fiber sports products, carbon fiber sports products tents, backpacks, sleeping bags, moisture-proof mats or air cushions, mountain ropes, rock nails, snow poles, helmets, snowboards, alpine glasses, down jackets, windbreakers, sweaters and pants. sportswear suits, casual clothes, winter clothes, ready-to-wear, outerwear, casual clothes, work clothes, clothing, shirts, vests, etc. 