Dear Sirs, Good day! Our company is called Nanocable Co., Ltd from Ukraine and for many years specialized of cable production. We are interested in testing equipment for measuring the optical density of smoke. We need smoke box (smoke density chamber) We will be very grateful for your information about this machine. What model can you offer for us? Please advise FOB price, payment terms and delivery. We hope for further cooperation. Your prompt answer will be appreciated. Best regards Purchasing manager Nanocable Co., Ltd Anastasia Show More