Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for 781 Silicone Glazing Sealant Black, Welcome your visiting and any your inquires,sincerely hope we can have chance to cooperate with you and we can build up long well business relationship with you.