Puyang Zhongrui Machinery maintenance Co., Ltd. In 2015, it was authorized by Guizhou Winstar Hydraulic Transmission Machinery Co., Ltd. In 2016, it was authorized by Xi'an Chongkang diesel engine parts company. In 2021, it was authorized by CNPC Jichai Power Company Limited.
The company has obtained ISO 9001:2015, ISO 45001:2018, ISO 14001:2015 and other certificates.
The company mainly engaged in manufacturing, maintenance, technical services; including the production of mechanical equipment, electrical equipment, compressor units, generator units, electrical instruments; integration of generator set, compressor set, mud pump set, fracturing skid set, gas source room and engine room, etc.
Website：