Q&A: Q: Are you a manufacturer or trading company? A: We are a professional access panel manufacturer over 17 years. Q:Do you have any certification? A: We have ISO9001-2015SGS, SASO, SABER, fireproof access panel certification, Acoustic access panel certification, water proof gypsum board certification, aluminum profile certification and so on. Q: How does your factory do quality control? A: Each workshop has QC, each good is checked before delivery. Q: Do you have discount if the order quantity is large? A: We will give you reasonable prices according to the order amount. Q: What is your MOQ? A: All quantity is acceptable. Send me your enquiry now.