Longkou zhongyun construction material testing Co., Ltd. has the qualification certification - measurement certification issued by Shandong Provincial Bureau of quality and technology supervision. With the quality policy of "strict standards, accuracy and reliability; seeking truth from facts, fairness and integrity", it strictly implements the relevant national policies, laws and technical standards to ensure the objective and accurate testing data. It adheres to the fair position of the third party Interference, constantly improve the level of management and service, dedicated to serving users.

◆ concrete admixture            ◆ waterproof roll             ◆ stone / plate

◆ brick and tile                      ◆ coating                         ◆ ceramic tile

◆ steel                                   ◆ mortar                          ◆ steel structure ultrasonic