成人亚洲性情网站WWW在线观看,午夜精品久久久久久99热,人与禽A片啪啪网站,水蜜桃亚洲一二三四在线,狠狠色丁香婷婷久久综合

　　Liaoyang Dongwang Chemical Products Co.,Ltd. is the professional production enterprise of the earliest domestic development and production pigments, intermediates and other high grade organic pigments. Our products have got reputation in the domestic industry.

　　The company is located in Liaoyang city in Liaoning province, and is 60 km from provincial capital---Shenyang city and enjoys very convenient transportation. The company always stresses technology as the first productive force, and sets up organic pigment research center and pigment and intermediate development center.

　　We have developed new products with many domestic colleges to fill the domestic blank.