for the following products
2,3-Dihydroxynaphthalene-6-sulfonate | 2,3-Dihydroxynaphthalene-6-sulfonic acid monosodium salt | Sodium 2,3-dihydroxynaphthalene-6-sulfonate and 2,3-Dihydroxynaphthalene-6-sulfonic acid (coupler Ⅲ)
"Haihang Group, consisting Haihang Industry Co.,Ltd., Zhonglan Industry Co.,Ltd. and METISARC PTE. LTD., is a large manufacturer of fine chemical and cosmetic materials that integrates R&D, production and sales together. Besides, it is also one of the Top 50 Enterprises in Jinan City. The Company was established in 1994, and restructured into a limited liability company in 1996.
Haihang Industry and Zhonglan Industry, which have passed the ISO-9001 quality system certification, possess rig...
