In order to better control the quality of pre-mixed mortar raw materials in Hunan Province and ensure the stability of building materials, the leaders of Changsha Municipal Housing and Construction Bureau, Changsha Municipal Distribution Office and Hunan Provincial pre-mixed Mortar Association set up an investigation team to conduct surprise inspections of mortar enterprises. On the morning of August 29, the quality of raw materials and laboratory standard management of Renjian mortar were inspected.

The research team conducted standardized inspection in the laboratory through on-site investigation, data access, communication and other means, and checked the data and equipment, affirmed the laboratory management system and the perfection of equipment and facilities, and entered the production environment of the factory to inspect and extract samples of raw materials from the sand reservoir for testing. The investigation team believes that Renjian mortar can be unproud and unhurried. In the context of more varieties of mortar raw materials and vicious competition, it can still adhere to the original intention, stabilize the source of goods, and ensure product quality, which is worth learning from the same industry.

Subsequently, at the symposium, the research team said that although there are many raw material quality problems in the market recently, production enterprises must not blindly reduce production costs at the cost of losing product quality, and eventually cause product quality problems. The production enterprises are required to control the purchase channels of raw materials, and the laboratory must test raw materials several times to ensure the quality before allowing the products to leave the factory.

General Manager He said that Renjian mortar people have been adhering to the people-oriented, green life of the enterprise purpose, has been adhering to the "market-oriented, quality as the core, integrity as the standard" business purposes for safe production, in the future work will still adhere to optimize product quality, establish a better "Renjian mortar" brand.