Quality Control

Quality is always of paramount importance, we do all we can do to meet the highest standards.

Most of the customers’main concern is quality. We can only win the trust of our customers with consistent quality.

Therefore, quality is the priority for RUIJIANG and we are determined to become the first brand of China in consistent quality. In order to achieve this, we work based on the following strict process.

Strict quality control process for HT Fine Chemicals:

1.We have strict materials testing for all of our textile auxiliaries before production, to make sure that that every batch of the raw materials meet our standards , so no problem will happen in our products .

2.After the production, we will take samples form every batch of the products to our lab for basic testing, such as viscosity, flash point, refractive index testing and then put the samples in our sample machine to have a performance testing to make sure the performance of the products is qualified.

3.We will take the samples to our lab built together with Guangzhou University to have GC-MS testing to make sure that the purity of our products is ok, when we got the testing report, we will send the testing report to our customers for their checking, only they think the report is ok, then we will arrange the delivery, if it is not ok, we will destroy them and have another production until they are qualified.

4.Before the delivery, we will take a sample from the product under this batch and seal the sample, if our customers find any problem in our products some day, we can analyze the sample and compare it with the sample our customer send us to find our the reason. The samples sealed will be kept for 2 years.

Strict quality control system for water repellents:

1.We have strict raw material testing process for products water repellent before production, to make sure that every batch of the raw materials meet our standards and have no impurity included, so the quality of our products will be consistent.

2.After production, we will take samples form every batch of the products to our lab for basic testing, such as solid content, PH testing, etc.

3.We will do some application testing in same building materials such as concert, segment mortar, brick, gypsum board, marble, etc to make sure that the water repellency our products are ok before the delivery.

4.Before the delivery, we will take a sample from the product under this batch and seal the sample, if our customers find any problem in our products some day, we can analyze the sample and compare it with the sample our customer send us to find out the reason. The samples sealed will be kept for 6 months.

Our strict quality control system ensures that the quality of our products are the most consistent in China.