4-aminobenzoic acid CAS:150-13-0
Welcome to Shanghai Dumi Biotechnology Co., LTD. Dumi is a fast developing pharmaceutical intermediates enterprise located in Shanghai.
Dumi analysis research and development center also provides custom synthesis service.
Shanghai Dumi Biotechnology Co., LTD can provide customized synthetic chemicals in different quantities in laboratories, factories and industrial scale.
We can offer competitive price for every customer and guarantee the quality of our products.
We pay attention to the needs of each customer and build a good relationship with them.
If you have any other questions for me. Please feel free to contact us.
Shanghai Dumi Biotechnology Co., LTD' s product quality is leading in China. At the same time, under the joint efforts of all the employees of the company, the company has achieved rapid development. The quality of our products is stable and reliable, and we have established friendly and stable business relations with many well-known enterprises at home and abroad. My unit grasps the good faith management idea, abides by the quality assurance, the user first objective, provides the quality outstanding, the performance stable product to the customer, has won the general customer consistent approval and the favor with the high efficiency consummation after-sales service. We look forward to working with our peers and friends from all walks of life to create a new future.
skype/wechat/whatsapp +8617172178855, +8617172178866
Why Choose US?
1. Selecting raw materials strictly,our products are the highest purity.
2.Reasonable and competitive price. Provide the best and professional service.
3.Fast delivery of the samples ,samples from stock. Reliable shipping way.
4.Full experience of large numbers containers loading in Chinese sea port.
5. Best after-service after shipment .
6. Professional documents for your custom clearance.
Q1:Will you supply samples for testing?
A: Free samples for the quality evaluation for most products, but customers only need to undertake the shipping fee for delivery the samples to your door.
Q2:What’s your MOQ?
A: For the high value product, our MOQ starts from 10g,100g and 1kg.
Q3:Which kind of payment terms do you accept?
A: Western Union, Corporate account, BTC, etc
Q4:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
Q5:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.