Hello, this is TRAN TRONG CHAU from TTC ,LTD, our company has been in VN for years. I want to buy: "Sulr". Specifications: GRANULAR YELLOW BRIGHT POWER ( oval and semi srical, 2.0-5.0 mm diameter granules ) . 99,98% min Please tell me the best price at Hochi Minh port , Viet Nam . Thanks