Zheng Coal Group Corporation publicly collects diamond drill bit suppliers

Tenderer: Zhengzhou Coal and Electricity Materials Supply and Marketing Co., Ltd. Standard Category: Domestic bidding Zheng Coal Group's production mines need about 10,000 diamond drills each year. Now they are open to the market for the selection of suppliers to participate in Zhengzhou Coal Group. Supply of diamond bits. Due to the limitation of underground geological conditions, it is proposed to arrange the products of the registered manufacturers to conduct product testing in the mines of Zhengzhou Coal Group, and determine the final suppliers within the scope of the qualified manufacturers. The specific program announcements are as follows: 1. Participate in the qualifications and conditions of the manufacturer 1. Registered capital: the registered capital is more than 10 million yuan; 2. The manufacturer's conditions: must be the manufacturer, have the drill design and research capabilities, and the on-site service capability, according to Zheng Coal Geology 3. Design the drill bit; 3. Autonomy: The bit body should be designed and manufactured by the unit to provide the production and manufacturing certification materials; 4. Product quality: Provide the advantages of this product (reward certificate, scientific research certificate and invention patent certificate) and the certificate of technical personnel advantage Materials; 5. Proof of use: There are relevant application examples of coal companies, or proof materials of supply, use and after-sales service. Second, the trial program 1, the choice of manufacturers: open to the public to select qualified manufacturers to participate in the field experiment, from the selection of five or more qualified manufacturers as qualified bidding manufacturers; 2, sample supply: Zheng Coal Group The Rockwell hardness coefficient (f) of the mine rock is 6-10, and 2-3 Φ94mm diamond composite drill bits (carcass type) are required to be used as experimental supplies in the test unit. 3. Sample No.: Uniform numbered by relevant departments of Zhengmei Group The geological conditions are similar, the principle of the same drilling power is the same. The test site is arranged uniformly; 4. Test organization: The test process is carried out by the relevant use department and management department of Zhengmei Group for on-site inspection and inspection; 5. Test standard: Drill test is limited to rock drill Holes, coal holes are not recorded in the test footage. Any one of the drill bit wear, falling off, bit body wear, damage to the diameter of the drill bit, etc. is regarded as the end of the drill test; 6, sample evaluation: test results according to the limit of the drill bit Comprehensive ranking of the cost per bit of rock hole consumption, according to the principle of cost performance and best effect Selection out of the top five, as a result of supply-related manufacturers are in accordance with the final competition. Third, the manufacturer determines According to the experimental results, the supply and marketing company invites qualified suppliers to participate in the bidding procurement, and determine the final supplier through bidding. 4. Relevant explanations 1. The same drill test is completed in one time. No other drill bit can be replaced in the middle. According to the pressure and progress of the drill, the driller and the follow-up personnel jointly identify whether the drill bit has been damaged. 2. The drill manufacturer must not cooperate with the site personnel during the trial period. Contact with the personnel of the trial unit shall not propose any replacement of the sample or any requirements that may affect the experimental results; 3. The products used for the experiment shall be provided free of charge by the participating manufacturers, and the experiment shall not charge any fees from the manufacturer; 4. Deadline for registration: January 25, 2018 17:30. Source: China Electric Power Bidding Network

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