Shaanxi Tongqingfeng Environmental Protection Building Materials Co., Ltd.

% Baidie Company, as the vice-chairman unit of the China Plastic Pipe Professional Committee and the core member unit of the National Technical Committee for Standardization of Plastic Products (/ %),
% Baidie Pipe Industry is the first company in the country to obtain the
% hourly test report from an international authoritative testing agency. It is the first company in the country to obtain green environmental protection product certification. It is also
%
% and
% quality and environmental management system double certification enterprises, which use South Korea
/% requirements, in addition to general
%,