Since its establishment, Guangzhou Qingqinyu Environmental Technology Co., Ltd. has been committed to the "Beautiful China" energy-saving and environmental protection philosophy. We adhere to a service mission centered on cutting-edge technology, high standards, and superior quality, taking it as our responsibility to deliver products that are healthy, safe, and environmentally friendly. With the goal of building an internationally recognized, professional brand, we emphasize both technology importation and independent R&D. Leveraging German technology as a foundation, we have forged close partnerships with renowned domestic and international research institutions and universities, successfully launching the "Meitengqi" brand—high-tech, energy-efficient, and eco-friendly products that perfectly meet market demands and boast outstanding performance.

It wouldn’t be the annual Double 11 festive season without Metengqi’s fantastic big-sale promotions! Major shopping malls, supermarkets, and retailers across various categories—covering everything from clothing and food to housing and transportation—are offering massive discounts and irresistible deals to attract crowds of shoppers. And Qingqin Yu Company is no exception—they’re keeping up with the trend by joining in with their own exciting, deep-discount sales!

1. Metech MG55 Heavy-Duty Floor Grinder—visit our store to receive a coupon, and you can enjoy a discount of 200 to 1,000 yuan by adding us on WeChat!

2. Metech MG4P-580 Multi-functional Floor Grinder—visit our store to receive a coupon, and you can enjoy an additional discount of 200–1,000 yuan by adding us on WeChat!

3. Metech 30# Diamond Stone—Visit the store to claim a coupon, and you can enjoy an additional discount of 100–400 yuan by adding us on WeChat!

4. Metech 250 grinding disc—visit the store to receive a coupon, and you can enjoy a discount of 100–400 yuan by adding us on WeChat!

First up is the "No. 1 Discount Product": the Meteng MG55 Heavy-Duty Floor Grinder!

1. The MG55 heavy-duty floor grinder is primarily designed for grinding and finishing large-area floors. It features high rotational speed, exceptional efficiency, and the ability to operate continuously over extended periods. Mainly used for processing standard concrete floors, it effectively removes surface laitance and contaminants. Additionally, it can be employed to strip away old epoxy coatings from the floor, making it the ideal choice for renovating and refurbishing coated flooring surfaces.

Product features:

1. Imported switch with overload protection, featuring phase-loss and leakage protection functions. 2. Equipped with a vacuum cleaner connection system, ensuring a dust-free working environment. 3. Fast rotation speed allows for extended operation, delivering high grinding efficiency. 4. Optional 12kg counterweight available, enabling effective grinding of old epoxy flooring. 5. Adjustable to control the depth of floor grinding as needed. 6. Offers four types of diamond grinding discs—extra coarse, coarse, medium, and fine—for versatile applications; the extra-coarse disc is especially ideal for removing old epoxy flooring. 7. Affordable combination grinding blocks can also be selected for cost-effective use. 8. Features shock-absorbing components crafted from aerospace-grade rubber material, providing flexibility and exceptional durability. 9. Includes precision rust-removal functionality: capable of chiseling away topcoats, primers, and oxide layers from steel surfaces. With a variety of rust-removal heads available, even deeply pitted surfaces can be effectively treated. Technical data: Power: 5.5 kW Voltage: 380V 50Hz Weight: 132 kg Speed: 2000 rpm Grinding wheel width: 250 mm

Following that is the "No. 2 Discounted Product": MG4P-580 Three-Phase Multi-Functional Floor Grinder

1. The MG4P-580 multi-functional grinder meets the needs of professional users seeking enhanced grinding efficiency for large-area industrial flooring, offering excellent value for money. It is ideal for applications such as grinding and refurbishment of marble, granite, and concrete floors.

Product Features: 1. The design boasts a novel, elegant, and visually appealing appearance. 2. Features a foldable handle and an integrated central control panel for convenient, safe, and reliable operation. Its ergonomic design ensures easy handle movement while maintaining stability. 3. Equipped with a high-power (7.5 HP) variable-frequency motor, this machine is perfectly suited for the demanding, long-term, and frequent use required in industrial floor grinding applications. 4. Includes an automatic pressure-adjustment control system, allowing it to meet the diverse needs of various construction processes. 5. Can be fitted with dust-collection equipment, enabling seamless switching between dry and wet working modes. 6. Boasts a twist-style water-release switch and a central water-dispensing system on the grinding disc, effectively preventing secondary wear of grinding materials and eliminating grinding marks during operation—significantly boosting productivity. 7. The versatile grinding disc can accommodate a wide range of abrasive materials, helping you minimize your overall construction costs.

Technical specifications: Model: MG4P-580, Voltage (V/Hz): 380/50, Inverter Power (kW): 7.5, Motor Power (kW): 7.5, Working Width (mm): 580, Grinding Disc Speed (RPM): 0–1800, Grinding Heads: 12, Water Tank Capacity (L/kg): 60, Weight (kg): 255

Item No. 3 on sale: 30# Diamond Stone

4-inch diamond grinding wheel, wear-resistant, easy and effortless to replace, with high grinding performance.

Item No. 4 on sale: 250 Diamond Grinding Discs

Suitable for Meteng MG55 heavy-duty grinder, MC300 integrated grinding and vacuum cleaner, and more.

Wear-resistant, highly cost-effective—everyone who’s tried it says it’s easy to use.