Guangdong Yunyan Special Cement Building Materials Co., Ltd.

Pursuit of high quality Every employee of YUNYAN regard the product quality as his dignity and bear the responsibility for quality assurance, every process must go through the strict checks in order to protect the high standards of product quality requirements. Our manufacturing process is executed according to China environmental protection guidelines of IS09001 international quality system certification, ISO14001 environmental management system certification.  We have maintained good cooperative relationship with numbers of multinational chemical suppliers such as AKZO, NOBEL, BAYER, BASF, ROHM and HAAS, WACKER in the fields of raw materials, technical support and other fields. We have also maintained technical cooperation & research with many domestic famous universities and chemical research institutions for the development of new materials & products. YUNYAN company insist a strategy of higher starting point, high input, high-quality technology development, with th... [Details]