成人资源站|日韩一区二区不卡|ts调教最爽人妖系列|机械姬未删减完整版电影在线观看,含羞草91大少妇,欧美日本国产在线观看,real电影在线观看完整版未删减版

Hello, welcome to BCC Inc.
CN 400-016-9000

System certification: necessary qualification for enterprises

The management system is developed from the concept of quality management and inherits the essence of quality management. 

Intellectual property management system

GB/T29490-2013

Intellectual property management system certification: the enterprise establishes or improves the intellectual property management system in accordance with the requirements of national standards, and obtains certification through the review of third-party certification bodies, so as to improve the level of intellectual property management and application of the enterprise and enhance the core competitiveness of the enterprise.