Jiaozhou,Qingdao Hengli Materials Trading Co.,Ltd. China(CN)
Qingdao Hengli material trading co., ltd is a leading manufacturer and exporter of all series of carbon black (N220, N330, N550, N660, N774, N115, N234, N326, N339, N375).During the past years,we have always been offering preeminent services to our c ...
Category: Carbon black & White
Register Time: 2009-09-25