Hangzhou guanhang Machinery Manufacturing Co., Ltd. is a modern scientific and technological production-oriented enterprise focusing on the production and manufacturing of light and small lifting machinery such as chain block, chain block and electric hoist. We are a domestic manufacturer of 100 ton large tonnage chain block. Our products are suitable for special occasions such as shipyards, mines, buildings and bridges. Chain block has many advantages such as high quality, high performance and high cost performance, and can be transported to you through various freight modes.