About Us

About Us

Shanghai Theorem Chemical Technology Co., Ltd.


Shanghai Theorem Chemical Technology Co., Ltd. located in Shanghai, China, export office for factory. we committed to new functional materials, Surfactants, Polyurethane raw material(HTPB, etc..), special isocyanates, extractants, and medical intermediates, We with authorized quality management system of ISO9001, environmental management system of ISO14001 and OHSAS18001, Complete after-sales service, OEM and Customization service.


Our manufacturing base is located in Changzhou, Jiangsu Province, With a land area of 80,000 m2, has over 300 workers, 30 engineers, 7 production workshops, The company specializes in researching and manufacturing chemical new materials and fine chemicals. Supply the products as isocyanates series(Desmodur RE, RFE, RC, NDI, etc..), new energy materials, Phenylsulfone materials, UV absorber, surface active agent series, and some organic synthesize intermediates. 

At the same time, we are constantly to developing new products, The company lays emphasis on researching and developing fine chemicals with high technology and has established his own R&D center, possessing 12 patents and numerous proprietary intellectual property rights.

The products used in a variety of fields, such as propellants, adhesives, cleaning agent, construction industry, metallurgy, painting, printing and dyeing, electronic engineering, semiconductor, solar energy, printing ink, chemical fiber, textile manufacturing, rubber, plastics, oil refining, chemical fertilizer, cosmetics, pesticide, automobile and medicines, etc.

Over the years, in the philosophy of “Quality Oriented, Technology Guided”, the company has developed Polyurethane raw material & special isocyanates,Such as Isocyanate RE, RFE, 1,5-Naphthalene Diisocyanate(NDI), PPDI (1,4-Phenylene Diisocvanate), our TPPT (tetraisocyanate phenyl ester) curing agent has gained national invention patent certificate with No.99114032x.

We are the top supplier of HTPB in China, own the right to issue HTPB export license, our factory with annual capacity 15,000 metric tons, which integrates HTPB and related chemicals research, such as Aluminium Powder, DDI(Dimeryl Diisocyanate), AP(Ammonium perchlorate), MDI, TDI, IPDI, etc... production and sales as one.  we have formed complete product series, and our products have been widely applied in adhesives, chemistry, aerospace, new energy, new materials and other industries.

Our factory has built an annual production capacity of 6,000 tons of 4,4′-Dichlorodiphenyl Sulfone CAS 80-07-9 production line, the good customers for domestic market and overseas, and be the supplier of BASF, SOLVAY etc.. In addition, we have a production line of 4,4'-Diaminodiphenylsulfone(DDS) with an annual output of 3,000 tons.  We has formed an annual output of 8000 tons of chlorophenylsulfone and annual output of 5000 tons of daphenylsulfone production scale, is the largest domestic chlorophenylsulfone production base.

In extractants, our mainly product included: Di(2-ethylhexyl)phosphate(P-204) with annual output 4000 metric tons; 2-ethylhexyl 2-ethylhexyl phosphate(P-507) with annual output 5000 metric tons. we have formed Complete product series, and our products have been widely applied in In extractant of Nickel, cobalt, lead, zinc, copper, industrial phosphate, rare earth and environmental protection area and other industries.

In recent years, Along with the development of new energy industry, We have expanded our business in new materials, such as new energy materials, electroplating chemicals, the products as 1,3-Propane Sultone (1,3-PS) 1,4-Butane Sultone (1,4-BS)Pyridinium Propyl Sulphobetaine(PPS), THEED , Q75(EDTP), etc...

And, We have invested a factory in Jian, Jiangxi Province, engaged in plant extract, like essential oils, daily care intermediates and some pharmaceutical chemicals.

Meanwhile, We have cooperated with some high-tech laboratories in Shanghai, Jiangsu, which can research and develop new chemicals according to the special demand of our clients.


1. Hi-Tech Manufacturing Equipment

Our core manufacturing equipment is imported directly from Germany.

2. Strong R&D Strength

We have 30 engineers, 7 production workshops, over 10 Invention Patents

3. Strict Quality Control

3.1 Core Raw Material.

chose our material suppliers strictly based on the "Standards of the qualifiedsupplier "of the ISO9001:2000 quality management system, We set up files about qualified suppliers details. We do double-testing from the raw material entering warehouse to production line

3.2 Finished Products Testing.

The standard test with our professional equipment before packing, the stricly warehousing process and testing prior to shipment, we retain samples of each production batch to tracking the quality problem.

4. Corporate Culture

A honored brand is supported by a corporate culture. We fully understand that her corporate culture can only be formed through Impact, Infiltration and Integration. The development of our company has been supported by her core values over the past years -------Honesty, Innovation,Responsibility, Cooperation.

5. OEM & ODM Acceptable

We can make synthesize as customers specification request.

We also offer sourcing chemicals service, As we are experienced and familiar with China local market.

We sincerely hope we can be your reliable business partner in the long run.
Your choice will make us better!