每个方案都是厂家十几遍反复试验才定稿的,每次试验人员成本超过几千块,几十份官方报告才20积分,相当于每个积分上万元,每天签到就几个积分呀

Vitamin Tablets.pdf
Silicone Tubing - TiO2 Filler.pdf
Resin - Epoxy.pdf
Paint - Water Based.pdf
Make-Up - Liquid (beige).pdf
Iron Lignosulfonate.pdf
Ion Exchange Resin.pdf
Hg in Silver Halides.pdf
Filter - Polyethersulfone.pdf
Filter - Polycarbonate Membrane.pdf
Filter - Membrane.pdf
Filter - Cellulose Paper.pdf
Composite Resin - PEEK.pdf
Composite Resin - Cyanate Ester.pdf
Coal - Anthracite.pdf
Cement.pdf
Cellulose - Filter Paper.pdf
Carbon.pdf
Boric HF Neutralization.pdf
Black Liquor.pdf
Aluminum Nitride.pdf
Alum.pdf