Beijing Hengrunxin Import & Export Trading Co., Ltd.

Main products:

Oil Production Products 5

,5-Dimethyl Hydantoin ,Melamine Cyanurate Flame Retardant ,Multifunctional Drilling Fluid Additive ,Sulfonated Lignite ,Plugging Agent Along With The Drilling ,Oil ProductsPetrochemicals ,Forest Chemicals Not Dangerous Chemicals