成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天
Chengdu Chuanfeng Chemical Engineeing Co.,Ltd(Chengdu Tannin Extract Plant)??? ?? ??? ?????.
?? ?:
Chengdu Chuanfeng Chemical Engineeing Co.,Ltd(Chengdu Tannin Extract Plant)
??:
+86-028-3262054 3250757 3251805
???:
chengduchuanfeng@126.com
??:
China
URL:
www.chuanfeng.com
? ?? ?:
34
1
?? ????
Tannic acid
???
1401-55-4
C76H52O46
Oil well cement multifunctional admixture
Mortar concrete waterproofing agent
Silicone humate
Oil well cement fluid loss additive
Cement early-strength admixture for oil field
Sodium humate
C9H8Na2O4
Viscosity reducer
Oil well cement coagulant
Potassium humate
??????
68514-28-3
C9H8K2O4
High temperature retarder for oil field
Hydroxypropyl starch
???????????
9049-76-7
C24H42O21
Oil well drag reducer
Acid soluble bridge plug
Oak bowl
High efficiency early-strength slushing agent
Tanning extract,sulfonated
C9H4O8S2Na
Desulphurization agent of tanning extracts
Positive sol
Anti-gas cockroach
Oil well cement medium temperature retarder
Concrete pumping agent
Slushing agent
Natural phenol carboxylic acid
Expanding agent for oil field cement
Sulfonated tannic acid potassium salt
Sulfonated sodium tannin
Ellagic acid
????
476-66-4
C14H6O8
Boiler anti-scaling and descaling agent
Sulfonated brown coal
RESIN
C6H8N3O2R
ANTIFOAM SO-25 MOLECULAR BIOLOGY*REAGENT
Drilling plugging material
Drilling fluid viscosity reducer
1
Copyright 2019 ? ChemicalBook. All rights reserved