ChengEn was established in 2010, covers an area of 12,000 square meters, and has about 120 professional and technical personnel. Our investment factory has obtained ISO90001:2015 certifications. ChengEn also has a machining factory for processing. The tolerances of metal castings can be strictly controlled. Multiple equipment can meet your processing needs, with high-precision machines, professional operators, and precise testing equipment to ensure that the product meets the drawings and your requirements.