... by most regular customers.Tianjin Yufeng chemical Co.,Ltd is located in the beautiful coastal city, Tianjin,China, enjoys a ... and Upward Continuation” are the production purpose of Tianjin Yufeng Chemical Co., Ltd . Meanwhile, on the basis of people oriented, ... and supplied all staff enjoy comfortable work environment.Tianjin Yufeng Chemical Co.,Ltd always adhere to the principle of "reliable ...