About Us

Our History

China Mineral (Yingkou) Magnesia Co., Ltd.（CMMC） has been deeply rooted in the industry for over a decade since its establishment in 2008. Committed to supplying top-standard raw materials and finished products, it aims to create a sustainable future for the modern manufacturing industry. Despite several changes and challenges, it has maintained robust growth. Its successful trading and production history proves its excellent product management and serious business attitude. In the coming decades, the company will continue to provide high-quality magnesia products, creating sustainable value for customers and offering quality products and professional cooperation to partners, investors, suppliers, related parties and employees.

China Mineral (Yingkou) Magnesia Co.,Ltd.

The head office is China Mining (Yingkou) Magnesium Industry Co., Ltd. wasestablished in 2017, formerly known as Yingkou China Mining Magnesium IndustryCo.. Ltd. (2008). The founder of the company, Mr. Liu Zhaoyun, who has more than20 years of experience in the refractoryindustry.
CZ Lake International Trading Co., Ltd.

CZ Lake International Trading Co., Ltd. Is one of the business units established by China Mining Group in Hong Kong in 2015. Formerly known as CZ Lake (China) International Trading Co.Ltd .The person in charge, Ms.Chen Dan(Grace), is engaged in the export and wholesale trade business of various raw materials, minerals and metallurgical industries.
Yalong Refractory (Yinkou) Co.,Limited.

Yalong Refractory (Yinkou) Co.,Limited was established in 2025 and is located in Dashiqiao City, Yingkou, Liaoning Province, China. It is a wholly owned subsidiary of China Mineral (Yingkou) Magnesia Co., Ltd.

The company serves as the group’s import and export entity, mainly responsible for export customs declaration and international trade of refractory materials, ensuring efficient and reliable order execution for global customers.

What we do

CMMC dedicated to the procurement, production, and sales of magnesia refractory materials.

The Complete Process - From Our Ore to You:

When we delivers the magnesia raw materials from Dashiqiao and Haicheng to you in the form of high-quality magnesia products, it has already gone through a long journey.

First of all, we conduct multiple samplings and tests on the products. Next, we transport the products that meet our requirements to our processing plant in Dashiqiao. Through processes such as storage, crushing, mixing, and packaging, we finally produce the magnesia products of CMMC. During this process, our team continuously carries out quality control and supervises the storage and logistics operations to ensure that high-quality products are delivered to you.

Quality Certificate

We are always committed to the production and sales of high-quality magnesia products. CMMC has not only obtained the ISO 9001 certification, but also ensured the product quality through internationally recognized third-party testing institutions.