Dongguan CONSTHA New Materials Technology Co., LTD is a collection of independent R&D production, sales as one of enterprises.The company has advanced professional testing equipment,is committed to providing customers with high quality adhesives. Our company in line with: "customer first, quality first" purpose to serve our customers. We are a professional manufacturer of rock slab adhesive, quartz stone adhesive, pure acrylic artificial stone adhesive,etc. Constant Adhesive has passed the Swiss SGS-ROHS and REACH certificates, and all the products are in accordance with the European Commission Directive.We are the real source factory with advantages in quality, delivery and price. We are looking forward to cooperating with you!