WHAT AP:+86=181=2631=4766
Wickr me:chemical888
     We guarantee that 100% of your parcel passes through the United States, Britain, Australia, Canada, Mexico, France, Germany, Spain, Belgium, Sweden, Poland, and Russia.  We have large stocks in warehouses in the United States, Canada, Germany, and Mexico, and we can ship directly from overseas warehouses.
     We have powerful customs clearance agencies in these countries, and our customs clearance company will clear your parcel without any customs issues, sometimes even 1000 kg.  Door to door service DDP service.  To ensure 100% receipt of your package, if there are any customs issues, we are willing to reissue your package free of charge.  Let you have a good experience of our strong shipping capabilities.
     We have many customers in the United States, Canada, Mexico, Australia, United Kingdom, and European Union countries and retain long-term cooperation.  Provide a large number of high-quality products.  They made a lot of money.  I am sure we can make more money together.  There is money to have glory.

Featured Products:Detailed Product Information:
 Procaine hydrochloride is a local anesthetic, which can temporarily block the conduction of nerve fibers and has an anesthetic effect. It has strong effect, low toxicity, and non-addictive, but it has weak penetration to skin and mucous membranes and is not suitable for surface  Anesthesia, clinically mainly used for infiltration, spinal and conduction anesthesia.
 The aqueous solution of this product is relatively stable between pH 3.0 and 5.0.  Therefore, when preparing procaine hydrochloride injection, it is generally necessary to add acid to adjust the pH between 3.3 and 5.5, and strictly control the sterilization temperature and time. It is appropriate to sterilize with 100 ºC circulating steam for 30 minutes, and pay attention to shading and airtight.  save.  The aromatic primary amino group in the structure of this product forms a diazonium salt with soium nitite in dilute hydchloric acid, and then couples with basic β-naphthol to form a scarlet azo compound.
 nature
 Procaine hydrochloride is white fine needle-like crystals or crystalline powder at room temperature, odorless, slightly bitter and numb in taste, easily soluble in water, soluble in ethanol, slightly soluble in chlorofor, and almost insoluble in ether.  The ester bond in the structure of procaine hydrochloride can be hydrolyzed to produce p-aminobenzoic acid and diethylaminoethanol. Under certain conditions, p-aminobenzoic acid can be further decarboxylated to produce toxic anile.  Procaine hydrochloride has an aromatic primary amino group in its structure, which is easy to oxidize and discolor. pH, temperature, ultraviolet light, oxygen and metal ions can all accelerate oxidative discoloration.



WHAT AP:+86=181=2631=4766
Wickr me:chemical888
      Hong Kong Excellence Biological Technology Co., Ltd. is located in Guangdong Province, China.  As one of the most dynamic factories and foreign trade companies in the Chinese market, we have a registered capital of RMB 5 million.  It mainly produces and develops local anesthetics, pharmaceutical intermediates, organic solvents, and steroids and other APIs.  In addition, we have a self-developed production line pharmaceutical raw material production plant, and we also have a pharmaceutical raw material research and development test center.  We also cover the custom synthesis business of various organic compounds as a supplement.  We can synthesize almost all chemicals.
    Our customers are all over the world, mainly selling in the United States, Canada, Australia, the United Kingdom, the Netherlands, Germany, France and other EU countries, Southeast Asia, South America, and Oceania. We also have many customers.
   Our business is based on honesty and mutual trust.  Sincerely look forward to establishing long-term mutually beneficial business relationships with customers around the world.

Choose us
A1 Quality control: We take quality as our life. We strictly control the quality of each process and establish a complete quality control system. We promise to bring 100% best quality products to consumers.

A2 Trade capacity: We focus on chemical, biological medicine international trade for more than 10 years. Has the abundant product and the trade ability. Cooperative customers all over the world, good reputation.

A3 transport capacity: We have professional freight agents, customs clearance agencies set up in the destination. Deliver your package safely. According to the customer's transport needs can choose: FEDEX UPS TNT DHL air charter and sea.

A4 carefully packing: 1kg, 5kg, 15kg, 20kg, 25kg can be packed in different specifications. Packaging can be customized according to customer requirements. Aluminum foil bag and carton. Ensure the safety of transportation. And free samples are available.

A5 Quality service: We have a professional customer service team and after-sales team. Being proficient in each language will guarantee your after-sale service.

FAQ
Q1:Can i get some samples?
 A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: Which kind of payment terms do you accept?
A: Payment by T/T, Western Union or Bitcoin.

Q3:Which transportation do we use?
A:Samples could be DHL, UPS, TNT, EMS, Fedex, and so on. For mass orders, it will be delivered by air or sea.

Q4: How about your delivery time?
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. 

Q6:How can we trust you?
A: You are always warm welcomed to visit us at any time.Before we start B2B, MIC has audited our company on-spot and approved our credit.

Q7:Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed.