With persistent pioneering spirit, technical strength of Hongkong, as well as the manufacturing advantage in mainland, Jiangsu Calvin Inc., is dedicated to share the international household chemicals market, and offer the whole world the best quality household chemical products at favorable price.The company has standardized software and hardware establishments, with ISO2000 quality management system certificate; and the products have been passed the test of SGS. Jiangsu Jeffery Inc. is available the service to produce as per sample for all domestic or overseas factories, or make production under authorization. All of our products are best quality with favorable price.