Dongyang Baiyun Erains Optics Co., Ltd is a modern enterprise with design, production, and sales with afterservice and shipping as a whole that mainly covers the thermal imaging devices, night vision devices, laser devices, red DOT sights, flashlights, compass and other hunting and tactical products. Through all staffs' endeavor, our company has set up an integrated distributing and supplying network through which we can provide the desirable products for you. Erians's long-standing relationships of understanding and deep knowledge across unique products make the company an indispensable partner to its clients and suppliers.

Having been offering top-grade laser products for customers all over the world, lelazer has done its utmost to meet the customers' needs for astronomical, educational, medical, military and private use.

Founded in 2014, SMD UAV has emerged as a global leader in industrial-grade drone technology, specializing in high-performance UAV systems and accessories for commercial, agricultural, and public safety applications. With a strong commitment to innovation, reliability, and customer support, we provide end-to-end drone solutions tailored to meet the evolving demands of industries worldwide.

Shanghai Newdi Navigation Technology Company Limited (NEWDI) was established in 2014. NEWDI is engaged in providing high-precision surveying and mapping instrument. Main product is GNSS receiver, total station, level, drones, 3D scanner, echo sounder and USV. Our products is professional for land survey, construction, marine survey, GIS and mobile mapping.

Qingdao lulstone tyre Co., Ltd, a private enterprise which specialized in Radial and bias tire manufacturing, located in gaomi south industry zone, shandong.The company closes to ji-qing highway on north and next to jiao-ji railway on south.In the east is the beautiful summer resort-qingdao;In the west is the international kite city-wei fang, and 50 kilometers away from qingdao international airport.Possess the good geographical advantage and convenient traffic conditions.

Yuyao Tongyong Meter Co., Ltd is a factory that was eatablished in 1993s, so far for more than 20 years experience.

Bosean company was established in 2013. It is a high-tech enterprise and the supply of IOT technology solutions that focus on the design, R&D, production, sales and after-sales service of measuring instruments such as gas detection instruments, environmental monitoring systems, and laser range finder instruments. The company is committed to using modern information communication, smart terminals, block chain, cloud computing and other technologies to provide solutions for industrial site gas concentration monitoring and exhaust emission monitoring.