Used controller in China

Consider the accuracy, durability, and brand reputation. Ensure the instruments meet the specific needs of your projects and check for any calibration certifications.

Use a reputable shipping service that specializes in delicate instruments. Make sure the instruments are securely packed with protective materials to prevent damage during transit.

Regular maintenance includes cleaning the instruments after use, storing them in a dry and dust-free environment, and periodically calibrating them to ensure accuracy.