Qingdao Hongrunda Chemical Co., LTD. is specializing in developping, producing and saling textile dyes and chemicals. We are always trying our best to provide our customers with high quality disperse dyes, reactive dyes, acid dyes, cationic dyes, direct dyes, sulfur dyes, indigo blue, sodium hydrosulfite and other chemicals, and related services. High alkali-resisting disperse dyes is our featured products, this type of disperse dyes can dye polyester in strongly alkaline conditions(PH: 4-12), so we can dyeing polyester fibre with the pretreatment of polyester or cotton simultaneously in one basic bath, not need to pretreat the fibre, such as deoiling, splitting, deweighting of polyester or desizing, scouring, oxygen bleaching of cotton, separately. Then the dyeing process is simplified, dyeing time is shortened, the dyeing efficiency is improved, more importantly, a large amount of water and vapor is saved. Therefore it's suitable for dyeing polyester microfibre which is usually need to be pretreated, such as suede, peach skin, polyester pongee, polyester taffeta, polyester microfiber towel and polyester microfibre synthetic leather, and it also very suitable for dyeing light and medium shade of T/C, which is usually need to be pretreated as well. We are willing to work together with domestic and foreign customers, and seek common development.