GMP Certification
Produced in a GMP factory, with a complete quality and production system, our brand-new modern industrial area is built strictly according to GMP standards.
ICP-MS analysis
Simulating the environment of human gastric juice, using ICP-MS method for strict control of heavy metal indicators;
High market share
It boasts China's largest GMP-certified diosmectite raw material production base, with an annual capacity of 1,500 tons, holding nearly 80% of the Chinese market share and also selling well in Europe, Africa, and Asia.
Century-old Hongjitang crafts montmorillonite
Hongjitang was founded in 1907, with Shandong Medical Technology Co., Ltd. as a subsidiary
- It has China's largest GMP montmorillonite raw material production base, with an annual capacity of 1,500 tonnes, nearly 80% market share in China, and is also popular in Europe, Africa, and Asia.
- Our montmorillonite API products meet international standards such as CP, EP, and USP, and can provide complete documents including COA, DMF, COPP, GMP, and WC. Our company's montmorillonite powder was among the first in the country to pass the generic drug consistency evaluation, and we can accept OEM and ODM services.
We Deliver Trusted & High-Quality Diosmectite
Years of Heritage
Tons of Diosmectite Annual Capacity
Domestic API Market Share
Raw material preparation multi-form
The Latest News
21Jan
Hongjitang diosmectite Actively Participates in the 2025 Guangzhou Pharmaceutical Fair
The 2025 Guangzhou Pharmaceutical Fair (also known as the 90th National Pharmaceutical Trade Fair PHARMCHINA)…
21Jan
Hongjitang diosmectite API actively participated in CPHI Shanghai 2025.
CPHI Shanghai (CPHI & PMEC China 2025, the 23rd World Pharmaceutical Ingredients China Exhibition and…
21Jan
Hongjitang diosmectite API actively participates in CPHI Europe 2025.
CPHI Europe 2025 (also known as CPHI Frankfurt 2025, CPHI Europe, or CPHI Worldwide 2025)…
