Gree, inc., in the city of guilin, has developed and produced a technology-based enterprise for the production of oil-skinned oil-skinned oil-skinned equipment and its associated products, and has developed innovations based on high-technology technologies to improve the original product, providing customers with individualized, non-standard design production. Company r & d production: plc controls centralized oil supply systems, smart automatic lubricant refuelling machines, smart automatic butter-alerters, numerically controlled automatic tank-loading machines, hose rollers, quantitative valves, gas-driven butter machines。