WHY CHOOSE US
01
ADVANCED TECHNOLOGY
The first publicity of the environmental impact information of the 500 tons of ranitidine
02
FULLY EQUIPPED
Advanced testing instruments and test workshops.
03
COMPLETE QUALIFICATION
In 2006, it passed ISO9000, ISO14000 and HSAS18000 management system certification.
04
WIDE MARKETING NETWORK
Products are exported to Japan, Germany, Spain, Taiwan and other more than 20 countries and regions
NEWS LETTER
We are willing to communicate extensively with friends from all walks of life at home and abroad to work together to create a better future.
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LATEST NEWS
Production of BPDA by dehalogenated coupling of phthalic anhydride
In this paper, the dehalogenated coupling method of 4-bromo-phthalic anhydride was used, i.e., the reaction of phthalic anhydride with bromosol to form the sodium salt of 4-bromo-phthalic acid, followed by a two-step reaction of dehalogenated coupling and dehydration to produce BPDA.
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2022-06-25
Three Preparation Methods to Make BPDA
BPDA (3,3',4,4'-biphenyltetracarboxylic dianhydride) is the raw material of polyimide resin, one of the super engineering plastics, and is used as an important component material for many products in the information and electronics field such as cell phones and copiers.
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Piperonal, Heliotropine, and Its Properties
Heliotropine, also known as jasmine aldehyde, chemically known as 3,4-dioxymethylene benzaldehyde (3,4-methylenedioxy benzaldehyde), is widely used in synthetic fragrances, pharmaceuticals, food, daily chemicals, electroplating, etc.
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2022-05-31
The Specific Difference between API and Intermediates
You may have heard about API and?Intermediates, but do you know the difference between them? We will show them in this blog.
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ABOUT US
Hebei Haili fragrances Co., Ltd. was established in December 2003, covering an area of 26700m2, with a registered capital of 40.2 million, 281 employees and a sales volume of 198 million in 2019.
The company specializes in the development, production and sales of chemical APIs, spices, polyimide monomers.
WHY CHOOSE US
CONTACT US
NEWS LETTER
We are willing to communicate extensively with friends from all walks of life at home and abroad to work together to create a better future.
客戶留言
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