What kind of water is Zhumadian Tongli Cement 3.25g?

Water number 425. Official website of Zhumadian Tongli Cement shows that 3.25g of Zhumadian Tongli Cement is No.425 water. Established in 2003, Zhumadian Yulong Tongli Cement Co., Ltd. is located in Zhumadian City, Henan Province, and is an enterprise mainly engaged in non-metallic mineral products industry. The registered capital of the enterprise is 5,765,438 yuan+940,200 yuan and the paid-in capital is 5,765,438 yuan+940,200 yuan.