Shanghai Tianyi Machinery Equipment Co., Ltd. is a high-tech enterprise engaged in the research, development, manufacture, process and sale of oil drilling equipment and parts. We sell metal materials, and also do agent business of the import and export of all kinds of goods and technologies. Our company has established a perfect development, production, sale and service system, with our spirit of "your demand is our pursuit". Providing customers with the highest quality products and services is our purpose and dedication.Welcome new and old customers from both at home and abroad to...