white crystalline powder Butanedioic acid CAS 110 15 6

Boluo Changning Yuandongxing Chemical Co., Ltd is a high tech company that have more than 20 years experience to produce, R & D and supply all kinds of organic chemical materials and water-based environmental frendly Paints and coating.

Our products are applied in widely field, such as welding flux, synthetic resin, synthetic rubber, synthetic fibre, plastifier, spice, adhesive, resin additive, electroplating polishing agent, explosive control agent, painting on building wall, machine, vehicle, 3C products and Iron steel structure, etc.

Most of our R&D employees have doctor and master degree, most of them have more than 10 years R&D experience. We R&D team cooperate with famous university and lab to produce many hot sale new products.

We have modern production and test facility, we also apply in modern production technology and strictly quality control to produce. We have ISO ISO9001:2015 environment friendly certificate, ISO ISO9001:2015 quality control certificate and safety production certificate, etc.

Our principle is “ Client first, environment protection and service society “

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Q1: how do you control quality? 
We will make samples before mass production and start mass production after sample approval. 100% inspection during production and random inspection before packaging. 
Q2: how to contact us? 
Click Alibaba "contact supplier" and send us the product information you are interested in. You will get a reply within 24 hours. 
Q3: which payment method do you accept?
For small orders, you can pay by wire transfer, Western Union transfer or PayPal, 
Q4: can you give me a discount?
Of course, it depends on your quantity 
Q5: how to get samples?
We provide free samples, but the freight will be borne by you, and the cost will be returned to you or deducted from your order later.
Q6: how to confirm product quality before placing an order? 
A: you can get free samples for some products. You only need to pay for transportation or arrange express delivery to take samples for us. You can send us your product specifications and requirements. We will make products according to your requirements. Question
Q7: how do you deal with quality complaints?
A: first of all, our quality control will reduce the quality problem to nearly zero. If the actual quality problem is caused by us, we will send you free goods for replacement or refund.

Q8: Price term on our website

A: Our price on the website is EXW price that does not including freight cost, chemical products freight cost is expensive, we advise you arrange delivery in your side. But we can arrange delivery for you if you need.