World trade l. T. D company is a hi-tech company. It integrates communication parts R& D, production and sales in one. The development department follows a strict modern design procedure to begin new product development and put practical and original designing ideas into the whole design process. The company has won many patent awards for product appearance successively and launched them. The key designers of the company have many years experience in designing and developing mobile phone battery, charger and related parts. The company launches three new products every week so that its product development speed comes out in front in the industry. The modern factory building and advanced equipment make its monthly production of mobile phone battery reach 1. 8 million units and battery charger 2. 1 million.