ProTec-Recycling GmbH

Nantong Hongzhi Chemical Co., Ltd. produces 1000 tons of high-quality potassium borohydride, 500 tons of sodium borohydride, 500 tons of triisopropyl borate, trimethyl borate, sodium hydride, etc. annually. Sodium borohydride, trimethyl borate, triis

Jinan Winner Particle Instrument Stock Co., Ltd. have been specialized in laser particle size analyzer since 1985, Our General Manger, Professor Ren created 1st of laser paraticle size analyzer in Jinan University, We are specialized in Laser Diffrac