Hongkai COD, ammonia nitrogen, total phosphorus and total nitrogen equipment main board, Hongkai adapter board, the color is as shown in the picture
Price：$73
Taxation：Not Include
Invoice：Invoices can be issued, but additional taxes and fees need to be paid
Quality：Can Be Guaranteed
Technology：Can Provide Technical Support
Whatsapp：+8615905051509
Telegram：@com15
