Chemical Raw Material Supply for Overseas Buyers
We focus on USP glycerin, USP grade propylene glycol and animal vaccine adjuvants, while also providing China chemical raw material sourcing support for overseas customers. If you need other raw materials, please provide the product name, specification, application and target quantity. We can help confirm reliable sources, documents and export solutions.
Company Profile
Established in 2004, Henan Tongshang Imp.&Exp.Co.,Ltd. has focused on the supply of USP grade glycerin, USP grade propylene glycol and various chemicals for 22 years. With extensive chemical supply channels, we provide goods supply services for overseas customers.
Featured Products
Henan Tongshang Imp.&Exp.Co.,Ltd. supplies USP glycerin, USP propylene glycol and animal vaccine adjuvants, with support for brands, specifications, packaging, COA/MSDS/TDS, quotations and China export sourcing.
Packaging and Shipment Reference
For serious inquiries, we can provide product packaging photos, batch documents and loading photos according to the available batch, product type and export arrangement.
Reference photos can be provided for KLK, DOMAS / Musim Mas, THAI and other glycerin packaging.
Packaging photos can be checked for SHELL, DOW, SK and other available propylene glycol sources.
Packaging photos can be checked for ADJ adjuvants, aluminum hydroxide adjuvants and related materials.
Supply and Export Support
We help overseas buyers confirm specifications, documents, packaging and quotation details before order discussion.
Brand Sourcing and Alternatives
For brand-specific inquiries, we can discuss available sources and possible alternatives according to grade, application and destination port.
Purchasing Guide
Understand specifications, brands, packaging and document requirements for glycerin, propylene glycol and animal vaccine adjuvants to confirm suitable products faster.
In the pharmaceutical, food, and functional material industries, propylene glycol is widely used as a solvent, carrier, or excipient. At first glance, propylene glycol is a relatively simple and well-established basic chemical raw material. However, in practical applications, downstream users often pay much more attention to its long-term quality stability rather than a single set […]
Imported glycerin is widely used in food, cosmetics, pharmaceutical, and industrial applications. Among the popular imported glycerin brands in the market, THAIKING glycerin from Thailand and KLK glycerin from Malaysia are two commonly selected options. Henan Tongshang has conducted a detailed comparison based on the latest original manufacturer COA (Certificate of Analysis) documents from 2026, […]
A Detailed Comparison Based on Original Manufacturer COAs Henan Tongshang has conducted a detailed analysis based on the latest original manufacturer Certificate of Analysis (COA) documents from 2026. By comparing the key quality indicators of Dow Propylene Glycol, SK Propylene Glycol, and Shell Propylene Glycol, buyers can better understand the differences between these three popular […]
To help us understand your requirements and provide an accurate quotation, please confirm the following information before submitting your inquiry. 1. Product Information Please specify the product you are interested in: For products outside our main product range, please provide the full product name, CAS number and intended application whenever possible. 2. Grade and Specification […]
Purchasing Support
Purchasing Inquiry
Quotation usually depends on product grade, brand, quantity, packaging, destination port and required documents. Contact David | Email: yawei.ding@hotmail.com | WhatsApp: +86 13598005441.
