Project quality control shall be implemented in accordance with GBFT19001-2008 standard, requirement of the company's quality control system, technical agreements, design documents,  contract stipulation and customer requirement. Project management and control adhere to the principle "high standard, strict requirement" and work cycle of "planning, implementation, inspection, processing" improve the process control constantly. Project quality  control  takes "benchmark" system, during the period of  construction, the first inspection, self-inspection,  patrol inspection, spot inspection and general inspection can be carried out as required. Concealed works, key parts or unqualified parts, will be strictly prohibited to transfer to the next process.