Hebei Niusida International Trading *域名隐藏* is a manufacturer of optical element with well-equipped testing facilities and strong technical *域名隐藏* a wide range, good quality, reasonable prices and stylish designs, our main product is black ultraviolet filter/ *域名隐藏* ively used in Mainly used for Gel documentation system, ultraviolet analyzer,UV transilluminator,UV lamp, UV box, geological surveying, nondestructive testing, medical analytical instruments,UV light source filter and so on. Our products are widely recognized and trusted by users and can meet continuously changing economic and social *域名隐藏* welcome new and old customers from all walks of life to contact us for futur...

主要产品/业务: 透紫外玻璃，滤光片