Company News

The rolling bearings produced by Longchang Jie Machinery Co., Ltd. cover various aspects from material selection to final assembly, maintenance, etc. This article mainly introduces them from the following aspects:

The PP pipes produced by Longchangjie Machinery have excellent performance. However, to select high-quality PP pipes (polypropylene pipes), a multi-dimensional evaluation is required. The following mainly focuses on the comprehensive appearance, physical properties, combustion characteristics, and national standards for identification

The spiral steel pipes produced by Longchangjie Machinery Co., Ltd. are widely used in various fields. To ensure their service life, purchasers carry out regular maintenance to remove rust from the spiral steel pipes. The following are the main aspects involved in the rusting process characteristics of spiral steel pipes:

Longchangjie is a producer and manufacturer of PP pipes in Qingdao, China. This type of pipe production is applied in various fields. The following mainly discusses the application of PP pipes in the chemical industry.