Yangjiang Yinjia Vavle Co., Ltd. is one of the subsidiary corporations of Guangdong Inwin Industrial Group Co., Ltd. It is a professional valve manufacturer integrating of R & D, production, sales and service. Its total investment is about RMB 150 million, and it covers an area of nearly 80,000 square meters. Huge funds were put into the introduction of a batch of advanced production equipment and precision instruments, and the main product refers to the field of petroleum, chemical ...