Our company have been cooperating with Hongzheng for 5 years, their service is good and the staffs are stable. Mr.Lam has served me for 5 years, we are like friends. We mainly purchasing calcium chloride dihydrate, it has very good performance on rubber glove industry. Worth working with them.
—— Tomo Visava
Hereby, we confirm that the quality of anhydrous ferric chloride barreled one is good. Thank you for all your suggestion, also good after sales service.
—— Syed Avais Ali
Under here with, we'd like to certified that anhydrous sodium sulfate of 500 tons supplied in 2020, works so well in textile and dyeing industry.
—— Torikul Zaman
Very appreciate for your professional service & very happy to know you. We trust the quality of your products. It always the best. Keep this going, and we will establish a long-term trade relationship with you.