N,N'-Di-(4-methyl-phenyl)-benzidine

Established in 2013, Zhengzhou HQ Material Co., LTD. is a manufacturer and trading company dealing in pharmaceutical intermediates and fine chemicals. Backed by international approvals, experienced R&D staff, and a large product line, the company offers contract manufacturing, accepts buyers' specifications and small orders, and sells to customers across North America, Latin America, Europe, Australasia, Asia, the Middle East, and Africa.