Zhoushan Jinqiu Machinery Co., Ltd. is a scientific and technological enterprise integrating metal surface processing technology, electronic component production, machinery manufacturing and research and development. Covering an area of more than 50,000 square meters, the plant has an excellent geographical location, and has more than ten professional technical teams. The company is committed to the production of crystal shell, casting machine manufacturing and research and development, oil well pump plunger and surface processing. The plunger of oil well pump produced by the company has been exported to Indonesia and the United States. R&D and production of various types of tape casting machine is the most advanced technology in Japan; 49U/S crystal oscillator shell has been upgraded from the first generation to the 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 patents for inventions and utility models with independent intellectual property rights. It has been awarded the honorary titles of national high-tech enterprises, provincial and municipal patent demonstration enterprises, provincial science and technology enterprises, etc