Zhoushan Jinqiu Machinery Co., Ltd. is a scientific and technological enterprise integrating metal surface technology processing, electronic component production, machinery manufacturing and R & D. Covering an area of more than 50000 square meters, the plant has a very advantageous geographical location, and has a professional and technical team of more than 10 people. The company is committed to the production of crystal shell, casting machine manufacturing and R & D, oil pump plunger and surface treatment. The company's oil pump plunger has been exported to Indonesia and the United States. The development and production of various models of tape casting machine is based on the current advanced technology of Japan; the 49U / s crystal oscillator shell has been upgraded from the first generation to the current sixth generation, and is still developing more high-end SMD alternatives, and cooperating with Shanghai Jiaotong University to develop new energy projects. The company has passed the ISO9001 quality system certification, and has more than 20 invention and utility model patents with independent intellectual property rights. It has been awarded the honorary titles of national high-tech enterprise, provincial and municipal patent demonstration enterprise, provincial science and technology enterprise, etc.