Based on different manufacturing technique of high precision seamless steel tube, there are different steel tube, such as pipe jacking, extruded tube, and hot rolled pipe.

Casting test is an essential method to find out flaws, and ensure the product quality. Today，there are many methods NDT for casting, the most commonly used is magnetic powder inspection, flurescent penetrant inspection, ultrasonic test, radiographic inspection,etc.

Today, a mobile, Bluetooth, WIFI, NFC plays more and more important role, and it is convenient to people's life. Everyday, we carry out our activities via WIFI both in work and entertainment, and it is also an essential media for us to transfer images, videos or files.

In industrial videoscope industry, the light source is an essential part of of an industrial videoscope. There are 2 main types of light source,LED and optical fiber.

An industrial videoscope is widely used in pharmaceutical industries to ensure the safety of drug production, and is essential for human health, so we will strengthen the oversight and supervision of drug quality. We will ensure workplace safety and reduce the occurrence of major accidents.

Automotive videoscopes are used to check the internal components of automobiles. In automotive industry, for example, videoscopes are used during fixing or servicing of various automobiles in car repair shop.

Nowadays，there are hundreds of videoscope manufacturers, it is vital for a buyer to choose a reliable supplier. There are many characteristics for a reliable manufacturer as the following.