GQ-SN03 is an alkali-free accelerator that can be used for shotcrete to improve its setting time. It's a concrete admixture that is designed to increase the strength and speed of shotcrete applications. Our GQ-SN03 product is manufactured in our factory where we use the latest technology and strict quality control measures to ensure that we produce high-quality products. Our factory has an experienced team of professionals who handle the production process, ensuring that the product meets all standards before it's dispatched to customers. With GQ-SN03, you can expect to achieve faster and stronger shotcrete results with ease.