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 Historical Background
Long Perng Industrial Co., Ltd. was established in Taipei in 1974.
We serve the dedicated design and manufacture of astronomical telescopes, spotting scopes, range finders, night vision binoculars, digital spotting scopes and various Optoelectric outputs.
Long Perng has built its reputation by offering technologies and design services for European and America global famous brands. Long Perng has consistently offered the advanced technologies design and our own design services. Today, Long Perng has been one of the most specialized and recognized globe manufacture of telescopes and spotting scopes and successfully established and maintained a worldwide customer base.
The products, we developed, took out several global multi-national patents. In the meanwhile, it is always our top priority to manufacture high quality products and to implement our quality policy.
Enhance and Improve the Quality Continuously.
Dedicated Service and Support to Meet Customer's Demand.
Maintain Highly Skill R&D Technologies. Strive Constantly for Perfection.
Keep Every Step Practical and Down-to-earth.

Long Perng has very professional sales team. We uphold the principle "customer-oriented" to meet customers' needs in the globe. We have high quality sales skill to control the market and balance the supply/demand.
Long Perng optical and mechanical skill is innovated and creative. The R&D strength acts as a leader in the field of the market. Long Perng eliminates counterfeiting; we self-design and self-made all Long Perng products. Our R&D technology is recognized by many well-known brands, and then we co-operate with them to make professional OEM products.
Long Perng optical system adopted the design of the world renowned German and Japanese professional optical designers. Besides, we're proud of using the professional precision CNC composite-milling machine to manufacture all Long Perng metal parts and products.
To provide top quality and resolution image to Long Perng clients, we use highly achromatic lens (ED LENS) for most of Long Perng telescopes and spotting scopes comprehensively; the raw material of optical lens is made in Japan. Long Perng has professional optical inspection equipments to ensure that all optical and mechanical dimensions can meet the standard. It includes spherical / aspherical Interferometer, digital centering microscope, auto-collimator, inclinometer, 2D/3D measuring instrument…etc.
The mechanical design of Long Perng focusers completely breaks with tradition as more user-friendly and convenient; this feature provides users much better observation quality. It enlarges the age group and level of users, so consumers realize that the telescopes, spotting scopes are not only technology products to reach. To ensure mechanical quality, the dimensions of all components are checked strictly through the well-ordered quality control system. Customers can be absolutely relied on Long Perng quality and yield.

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