Jilin Tianhua Opto-electrical Technology Development Co., Ltd., production and sale of precise optical elements. Our company locates in Changchun City, Jilin Province, the optical base of China. We....

BRIEF INTRODUCTION: Hejian Fist Petroleum Equipment Co., Ltd. is located in the drill bit town of Hejian, the middle of Cangzhou City. We enjoy good location and convenient transportation. Our....

Shenyang Fada Co., Ltd is located in Shenyang city of Liaoning province , the Northeast of China. Shenyang has a favorable geographical location and easy access to transportation facilities.

Our company, steel structure manufacturer, has founded 13 years, specializing manufacture, design, and install with 180 employees, among which about 30 are professional technicians. Our price is very....

BBHY Decor Painting and wall paitnings, with the strength of standard size frams and prices, custom hand made classical frams, custom made modern frames, outstanding mirrors, non reflective museum....

Cayo Sensors Technology Co., Ltd is an industrial enterprises integrating R & D, production and sales. Our company focuses on the rotary encoders, draw wire sensors and manual pulse generators. We....

Jilin Dongya Optical Group of China, we are the manufacturer specialized in producing and marketing camera lens, such as Wide Angle, Telephoto, Fisheye, Mirror, Zoom and Prime Lens and so on, OEM and....

Who we are? We are perfect combination of manufacturing and trading company, have rich experience in exporting and marketing of power engine, generator and garden power tools. All those products are....

We are developing various software for windows.

Holographic gratings: Specifications: Ruled area: 70% Ruled gratings: Specifications: Ruled area: 70% Concave gratings: Specifications: Ruled area: 70%