Rare Chemicals GmbH

ph-instruments develops, manufactures, and sells cost effective High Vacuum pressure gauges based on the outstanding Spinning Rotor Gauge Technology. The sensor concept is simple: a stainless-steel ball in a tube and just on demand the measurement h

Whether your business is in semiconductors or photovoltaics, you can rely on Hemlock Semiconductor Corporation. Our focus on safe and sustainable polysilicon production ensures a consistent, reliable source of high-purity polysilicon for your manufac

Main products: Ligustrum lucidum glycoside, lotus root alkaloid perchlorate, isoleucine, ligustilide I, ligustilide H, geniposide, arctigenin, methyl protodioscin; Methyl protodioscin, emodin -8-O - β - D-glucoside, isobergamot lactone, and so on.