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- Mr Ma guang teng building materials operations center
- Cooperate with firm chemical co., LTD for many years，Trials and hardships，I witnessed an enterprise growing up、Process from weak to strong。Over the years，They company with excellent quality and good after-sales service to win the recognition of the broad masses of customers and customers....
- Gloss coating mr.li
- As the chemical raw material market growing，Operating chemical raw materials wholesale and retail of manufacturer and explosive growth；Chemical raw materials demand also will increase。Have sprung up on the market many chemical raw materials manufacturer。My company and dongguan shengfeng....
|What are the four hydrogen of benzene anhydride compound structure？|
Four hydrogen phthalic anhydride2AThe hydrolysis reaction of the need for two days。Two ether anhydride by three steps. Synthesis method，With glycol（1AAnd1B）With4－The nitro phthalates nitrile...
|Thinner, and what's the difference between quick dry water？|
Many customers will ask are thinner, and quick dry dilute ink，What is the difference between the two？Thinner is colorless transparent liquid，Mainly use....
|In choosing washing network water which need to be aware of？|
A、Look at the product washing net strength requirements，If wash the net power demand is not big，Optional strength low，Such as718Wash water；If wash the net demand...
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