On October 27, 2017, Baoding Liyuan copper parts manufacturing Co., Ltd. organized the completion acceptance meeting of "1100t / a copper alloy precision casting project" in Qingyuan District, Baoding city. The acceptance team was composed of the construction unit (Baoding Liyuan copper parts manufacturing Co., Ltd.), the preparation unit of environmental impact report (Zhangjiakou Zhengde Geological Survey Technology Service Co., Ltd.), acceptance monitoring and acceptance monitoring report The representative of the preparation unit (Hebei Jinyao environmental testing Co., Ltd.), environmental protection facility design unit (Hebei Xingruida environmental protection equipment Co., Ltd.) and three technical experts were informed.

On the basis of constantly expanding and consolidating the domestic market, we actively expand the overseas market. On December 2, 2014, the customers from Germany visited our company. Accompanied by Zhang Dan, general manager, the customers visited the company's machining workshop, precision casting workshop, sand casting workshop, casting workshop and quality inspection center, and put forward many valuable opinions. During the inspection, both parties briefly introduced their basic information and products of various materials And the production capacity of the equipment

On the basis of constantly expanding and consolidating the domestic market, we actively expand the overseas market. On May 7, 2015, customers from the United States visited our company. Accompanied by general manager Zhang Dan, the customers visited the company's machining workshop, precision casting workshop, sand casting workshop, casting workshop and quality inspection center, and put forward many valuable opinions.

Publicity of environmental protection monitoring and acceptance report on the completion of construction project of Baoding Liyuan copper parts manufacturing Co., Ltd

In order to improve the overall management level, office automation and informatization of our company, a set of ERP management system is customized according to the actual work needs of our company, including: 1. Customer management system; 2. Sales management system; 3. Production management system; 4. Quality management system, 5. Technical management system; 6. Financial management system; 7. Procurement management system; 8. Warehouse Management system; 9. Product information management system, etc.

The machining center is called CNC for short. It is a high efficiency automatic machine tool composed of mechanical equipment and numerical control system, which is used to process complex shape workpiece. The processing center is also called computer gong. The machining center is equipped with a tool magazine, which has the function of automatic tool change. It is a numerical control machine tool for multi process machining after the workpiece is clamped once. The machining center is a product with high mechanical and electrical integration. After the workpiece is clamped, the CNC system can control the machine tool to automatically select, change the cutter, automatically align the cutter, automatically change the spindle speed, feed rate, etc.

The equipment is mainly used for the cleaning of copper alloy castings. The equipment adopts the combination of ultrasonic cleaning, air drum rinsing, ultrasonic pickling, passivation, kerosene soaking and hot air drying to remove the oil stains, impurities, welding spots and oxide scales on the surface of the workpiece and dry them. After cleaning, the surface of copper parts is bright and free of oil stains, and can remove oxidation traces, and also can prevent the surface of copper parts from oxidation.

Bronze with tin as the main alloy element. Tin content is generally between 3% and 14%, mainly used to make elastic components and wear-resistant parts. The content of tin in deformed tin bronze is less than 8%, sometimes phosphorus, lead, zinc and other elements are added. Phosphorus is a good deoxidizer, but also improve the fluidity and wear resistance. The machinability and wear resistance of tin bronze can be improved by adding lead, and the casting performance can be improved by adding zinc. The alloy has high mechanical properties, wear reduction and corrosion resistance, easy to cut, good brazing and welding properties, small shrinkage coefficient and non magnetism.

The aluminum content is generally no more than 11.5%, and sometimes some iron, nickel, manganese and other elements are added. To further improve performance. Aluminum bronze can be strengthened by heat treatment, its strength is higher than tin bronze, and its high temperature oxidation resistance is better. It has high strength and good wear resistance, which is used for high strength screws, nuts, copper sleeves, sealing rings, and wear-resistant parts. The most prominent feature is its good wear resistance. Aluminum bronze containing iron and manganese elements has high strength and wear resistance. After quenching and tempering, it can improve hardness. It has good high temperature corrosion resistance and oxidation resistance. It has good corrosion resistance in atmosphere, fresh water and sea water. It can be cut well. It is not easy to be welded by fiber welding. It is processed well under pressure in hot state.

In order to improve the corrosion resistance, strength, hardness and machinability of brass, a small amount of tin, aluminum, manganese, iron, silicon, nickel, lead and other elements (generally 1% - 2%, a few 3% - 4%, and a few 5% - 6%) are added into the copper zinc alloy to form ternary, Quaternary, or even five element alloy, namely complex brass, also known as special brass.