The rubber auxiliary wastewater is the most difficult part in the production of rubber additives. The wastewater usually contains a large amount of inorganic salts and organic sulfur, and has a high chemical oxygen demand (COD) and is difficult to handle. For example, although the rubber vulcaniza
Status: Sales decline is not as good as in previous years On September 4th, the reporter visited a furniture market. On weekends, it should be a time of heavy traffic, but there were not many guests in the market on that day. Boss Zhang, who specializes in Guangzhou furniture, told reporters that
Hinge, guide rail, hinge The main types of hinged hardware include door hinges, drawer rails, and door hinges. Door hinges are available in both copper and stainless steel. Single sheet hinge area standard is 10cm×3cm and 10cm×4cm, center axis diameter is between 1.1cm and 1.3cm, and hinge
In March, the domestic rebar ** was suppressed by bad news such as property market regulation and high inventory, and the price gradually fell and fell below the 3800 mark. According to the spot market, the current site operating rate is insufficient, the demand starts slowly, leading to t
In February of this year, several electric power workers ran to the home of Lin Hairen He Xianjun and talked to him about the pen business - State Grid wants to buy electricity from the 20 solar photovoltaic panels on the roof of his home. In this way, He Xianjun became the first general
Home>Bearing knowledge>Continuous casting bearing /*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Continuous casting bearing Source: China Bearing Network Time: 2013-04-02 /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089'; Continuous casting bea
The imitation hand twister was granted Chinese patent on July 4, 2012, and the patent number was ZL 2011 2 0419075.5. The key part of this patent protection is the separation mechanism after cutting the twisted dough. Please refer to the relevant patent documents for inspection of relevant food a
There are a large number of stone carvings, stone carvings and stone crafts in China. It can be roughly classified according to the application and production method. Stone carvings and stone carvings are generally divided into round carvings, reliefs, sinking sculptures, wall carvings, hollow
1. Window surface: The window frame should be clean, flat, smooth, no scratches or bumps on the large surface, and the profile is not broken by welding. 2. Hardware: The hardware must be complete, the position is correct, the installation is firm, the use is flexible, and it can reach its own
Alarms are now more and more widely used around us. With the frequent occurrence of security incidents, people have become more and more concerned about their working environment, whether their place of life is already in a safe state, or whether they can prevent unsafe incidents from happ
In the eyes of most people, parasols in life are suitable for outdoor use, resist strong sunlight, and isolate ultraviolet rays as much as possible. If on this basis, such an outdoor tool should be remodeled to make it a product that can both withstand the sun and use solar ener