Shanghai Lang Chemical Co., Ltd.(called–Lang Chemical as follows), located in the most active Shanghai region in Yangtze River delta, is a business enterprise engaged in the chemical article retail. Lang Chemical is specialized in the raw materials in paint, glue preparation, textile & leather auxiliary; perchloric acid，pharmaceutical intermediates etc.

Lang Chemical, established in 1998 With a registered capital of RMB11,000,000, selling a sum of more than RMB 260,000,000 in 2005 and RMB 300,000,000 in 2006, which reached RMB 500,000,000 in 2007 and RMB 700,000,000 in 2008. In the meantime, the company has invested to construct Nantong Langyuan Chemical Co., Ltd of its own in Jiangsu Province, which is producing Perchloric Acid and Pharmaceutical Intermediates.pharmaceutical intermediates.

Main products:
1/ Perchloric Acid（CAS：7601-90-3）

2/ Alpha-Ketoglutaric(AKG) (328-50-7)
　 1/ Arginine Alpha-Ketoglutarate(AAKG) (CAS: 5256-76-8)
　 2/ Creatine Alpha-Ketoglutarate
　 3/ Glutamine Alpha-Ketoglutarate

3/ Trimethylpyruvic Acid (CAS: 815-17-8)

4/ 2,4,5,6-Tetrachloropyrimide (CAS: 1780-40-1)

5/ L-Rhamnose Monohydrate (CAS: 10030-85-0)

2. The glacial acetic acid and derivatives （ Vinyl acetate 、 Ethyl acetate 、 butyl acetate 、 VAE 、 PVA) series.
3. acetic acid and its ramification （ Butyl acrylate 、 Ethyl acrylate 、 Butyl acrylate 、 Ethylhexyl acrylate 、 2-Hydroxyethyl acrylate 、 2-Hydroxypropyl acrylate 、 MAA 、 Methyl methacrylate 、 Butyl methacrylate) series.
4. Other products ： Polyvinyl Alcohol 、 Toluene 、 Methanol 、 Acetone 、 Acrylonitrile 、 Acrylamide 、 Ammonium Persulfate 、 TX-10 、 OP-10 、 Barium chloride dihydrate.
In order to serve the customers ， Langyuan Chemicals separately sets up warehouse centers in Shanghai 、 Jiangyin and Qidong , Jiangsu 、 Hangzhou, Zhejiang . Langyuan Chemicals processes modern tanks, whose yearly storage capacity is up to 15000 Tons ; It owns professional transport company ， whose yearly throughput reaches 40,000 Ton. In the meanwhile of products sales ， it follows timely market leads, tries to do the best after service.