Development
1984
Jiande City Li Jia Lightweight Calcium Carbonate Factory Established (the predecessor of Zhengfa)
1992
The company transitioned to a joint-stock system. Zhejiang Jiande Zhengfa Industrial Co., Ltd. was established.
1993
Zhengfa Industrial Company is renamed Zhejiang Jiande City Zhengfa Calcium Carbonate Co., Ltd.
2006
Zhengfa Company's first nano-calcium product enters production.
2013
Hangzhou Zhenghe Calcium Industry Co., Ltd. Breaks Ground
2014
Vice President Unit of the China Calcium Carbonate Industry Association, and the primary drafting unit for the national and industry standards on calcium carbonate.
2015
Zhenghe Calcium Industry's first production line begins operation.
2017
Zhejiang Jiande City Zhengfa Pharmaceutical Co., Ltd.'s new factory breaks ground.
2018
Awarded the title of National High-Tech Enterprise
2019
Zhejiang Province's Jiande City Zhengfa Pharmaceutical has completed construction and begun production.
2020
The company's flagship product, "Nano Calcium Carbonate for Rubber and Plastics," has been awarded the "Zhejiang Manufacturing" Product Characteristic Mark.
2021
Hangzhou Zhengchuang New Materials Co., Ltd.'s Phase I 10,000-ton silicone sealant project goes into operation. Awarded as a Specialized, Sophisticated, and Novel Small and Medium-sized Enterprise in Zhejiang Province.
2022
The 30,000-ton-per-year nanocalcium new-material project has begun construction. The 20,000-ton-per-year ink calcium project has started construction. Construction has also commenced on Zhengchuang Polymer's Phase II 30,000-ton silicone sealant project.
2023
The construction of the 30,000-ton-per-year project for a new nano-calcium material has been completed.
2024
The 2.4MWp distributed photovoltaic power project successfully connected to the grid and began generating electricity.
2025
The construction of the 20,000-ton-per-year nano-calcium carbonate production line dedicated to ink has been completed.
Product Inquiry
Tel: +86-13656634445 +86-13588180224
Fax: 0571-64575669
Address: Datong Town Industrial Park, Jiande City, Zhejiang Province
Postal Code: 311614
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