Machinery and equipment: oil wells, drilling, welding, tank equipment, lifting, hoisting, lifting, insulation, refrigeration, ventilation, remote monitoring, repair, maintenance and other equipment; generators, fuel dispensers, turbines, turbines, impellers and other machinery; valves, pumps, compressors, fans, air separation equipment, vacuum equipment, jacks, boilers, furnaces, pressure vessels, cooling equipment, flanges, pipes, hoses and their connection device, industrial explosion-proof products, industrial power supply, electric transmission device and its assembly, and various supporting equipment and chemical machinery, etc.
Instrumentation: transformers, stabilizers, recorders, filters, temperature sensors, measuring instruments, filters, screens, etc.
Pumps and valves: valves, pumps, compressors, fans, air separation equipment, vacuum equipment, jacks, boilers, furnaces, pressure vessels, cooling equipment, flanges, pipes, hoses and their connecting devices, industrial explosion-proof products, industrial power supply, electric transmission devices and their assembly, and various ancillary equipment and chemical machinery, etc.