Established in 1993, with Intro-Sino's own factory in Shenzhen City, China, we provide one-stop solution, from 'PP sheet extrusion', 'die cutting' and 'welding' to 'gluing', 'embossing' and 'offset or silkscreen' printing. Our professional support team will take care of all production details of your precious order items step by step for you.

As a proof of our commitment to quality and customer satisfaction, we are certified to ISO9001 since year 2002. Our Material use only imported resin that does not contain phthalates complies with European Standard Test (EN:71, toxic element content), the JETRO Food Test (Specification and Standards under food Sanitation Law in Japan), is safe for Fresh food container or Baby products and also RoHS (Risk of Hazardous Substances) Testing which is a new popular strict testing and applicable to all industries. In consider with the environmental protection, pollution prevention and socio-economic needs.

In year 2006, we also certified with the Environmental Management Systems standard ISO14001, in order to achieve to the high levels of environmental compliance.
In 2009, we got the certificate of "ICTI CARE Process". CARE means "Caring, Awareness, Responsible, Ethical" is the International Council of Toy Industries (ICTI) program to promote ethical manufacturing, in the form of fair labor treatment, as well as employee health and safety, in the toy industry supply chain worldwide.