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China’s Top Manufacturer

Chelating agents and chelated trace elements with low and stable price. Just-In-Time delivery. Yearly output 60,000 MT. High automation factory.

Strict Quality Control System

Inspection before shipments. Independent QC Departments. Third-party inspection Institution. ISO, REACH,SGS etc.

Professional Service System

Products experts.
More than 10 years chemical exporting experience.
professional after-sales service.
Clear and efficient Claim system.


zhonglan industry exhibition
May 16-18, 2017 
Pennsylvania Convention Center
Philadelphia, PA, USA
Booth No.: 2467

cphi china logo
June 20 – 22, 2017
Shanghai New Int’l Expo Centre (SNIEC)
Shanghai, China
Booth No.:T4D23

Chelating Agents

Chelated Trace Elements


Zhonglan Industry attended CPhI China 2017.

October 27, 2017 / 0 Comments

EDTA for plating wastewater treatment

October 16, 2017 / 0 Comments

EDTA products are used for fish and shrimp ponds

September 30, 2017 / 0 Comments

Edta acid application

September 22, 2017 / 0 Comments


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