Topchain founded in 2012, is an innovative pharmaceutical excipient manufacturer in Jinwan District, Zhuhai City. The company specializes in manufacture of MCC products. Thanks to the research team's unremitting efforts, the company has made great breakthroughs in MCC manufacturing, and its new preparation process has been approved for national patent registration. Through continuous process upgrading and validation, the company's MCC products have basically reached the level of internationally renowned brands and enjoy certain popularity in the field in China. 

Now, the company has a large R&D center and MCC product lines with an annual production capacity of 3,000 tons that meet the national GMP requirements. The company is enriching its product lines and developing a number of blockbuster products through independent R&D and technical cooperation.

Taking advantage of the resources of its parent company Shenzhen Youpuhui Pharmaceutical Co., Ltd., Topchain Pharma has rapidly established partnerships with some well-known domestic and multinational pharmaceutical enterprises and provides them with quality products and technical services. Apart from domestic promotion through its channel advantages, Topchain Pharma is currently promoting its products to the international market.

The company attaches great importance to product quality. In addition to manufacturing according to the GMP requirements, the company has established a center for MCC application technology development, experiment and testing to ensure the safety and quality of its products. 


Topchain Pharma specializes in the R&D and production of high-end pharmaceutical excipients and realizes individualized customization to meet differentiated demands of customers. The company's main products are divided into three major categories, namely MCC Series, MCC Core Pellet Series, and co-processed excipient series combining MCC and other excipients. Topchain Pharma has been granted a number of invention patents for its MCC Core Pellet Series, cross-linked carboxymethyl cellulose sodium series, and nanocrystalline cellulose (NCC) preparation process, etc. Besides, the company is now under substantive application examinations for several other invention patents. Now, Topchain Pharma has adequate technical resources and manufacturing capacity to provide customers with high-quality functional pharmaceutical excipients and technical services. Welcome to call or write for cooperation! 


Topchain Pharma has invested a lot of human and financial resources in R&D. It's now equipped with such precision testing instruments as Thermo Scientific UltiMate 3000 HPLC, Malvern Mastersizer 3000, Mettler UV Spectrophotometer, and R&D equipment such as constant temperature reactor, tablet press and granulator.