Sincere Techis plastic mold company specialized in Build Small to Medium Size plastic injection Molds, plastic molding service, Quality, Customer Satisfaction, Construct Molds QuicklySincere Tech started Designand Buildof Plastic Molds Since 2005 Where The Customer is # 1 and Satisfaction is Guaranteed For almost 15 years Sincere Tech has designed, built, repaired and worked on almost every type of mold existing in the plastic industry. We specialize in designing and building small to medium size molds utilizing computer systems such as Unigraphics and Key Creator. These systems are coupled with our high speed CNC Machines for quality solutions to complex problems.