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Quality Commitment The company promises that under the premise of correct selection, installation and use of the ball valve, the quality guarantee period of the ball valve is two years after the product is shipped. During the warranty period, if the product is damaged or cannot work normally due to poor manufacturing quality or material defect, the company is responsible for repairing and free replacement of parts. If the equipment fails due to non-quality problems caused by improper operation or external irresistible factors, the company organizes or assists maintenance according to the needs of users. After the expiration of the warranty period, the company will continue to provide services according to the needs of users, and ensure an adequate supply of spare parts.