Dongguan Tuolai Optical & Electronic Industrial Co. Ltd. is the marketing branch of Opteck Manufacturing Group Ltd. responsible for quality control, sales, and customer service. Opteck Manufacturing Group Ltd. has 100% shares in Dongguan Tuolai Optical & Electronic Industrial Co. Ltd.Opteck Manufacturing Group Ltd. is a major manufacturer of optical and electronic products. Spanning over 20 years in the optical & electronic industry, we excel in supplying high quality optical & electronic products and components with competitive prices to brands worldwide. Among the many products supplied by Opteck, we engage primarily in the making of:Laser range finder binocular, monocular, rifle scope, and attachmentDigital night vision devices including binocular, monocular, and rifle scopeDaylight monocular and binocularTactical & hunting rifle scopeRifle scope mountHelmet mountCamera lensOptical lens and prismAluminum, copper, and steel precision metal componentOpteck also has extensive experience designing and manufacturing:Injection moldings and plastic precision components in PVC, rubber, ABS, GF, and PPS. Software and hardware electronic assemblies OEM and ODM available. Please contact us for distribution opportunities.