Grade: 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
Size: M1.4 - M64
Length: Standard or Customized as per request and design
Surface Treatment: Black, Zinc Plated, Yellow Zinc Plated, HDG, Dacromet, etc.
Material: Carbon Steel, Alloy Steel, Stainless Steel, etc.
Packing: 25 kg per box, 36 boxes per pallet, 900 kg per pallet
Sample: Free samples available (shipping cost to be covered by customer)





1. We respond within 24 working hours.
2. Experienced staff are ready to answer all your questions promptly.
3. We offer unique and tailored solutions with our well-trained engineers and professionals.
4. Special discounts and sales protection for our customers.
5. Free samples available, with shipping costs to be paid by the customer. Expensive sample costs will be added to the next order.
6. As a trustworthy exporter, we ensure high-quality products through professional factories, competitive pricing, excellent service, and skilled technicians.
7. Custom design is available. ODM and OEM orders are welcome.
Company Information:
Ningbo YiPian Hong Fastener Co., Ltd is a professional manufacturer and exporter of fasteners in China. We are a member of the China Fastener Association.
We specialize in producing high-strength bolts, nuts, and threaded rods, with an annual production capacity of 30,000 tons and a turnover of 300 million yuan.
Our products meet standards such as ANSI/ASTM, DIN, BS, ISO, GB, JS, etc., and are widely used in high-strength fastening systems and oil pipeline valves.
Our products are exported to Europe, North America, the Middle East, and Southeast Asia.
We have earned great recognition from clients at home and abroad due to our high-quality products and strong credit.
DIN404 Slotted Capstan Screws
Our Factory:

Hot Water Absorption Chiller produced by our company are mainly used in industrial and civil fields which can achieve energy saving and emission reduction. The main working principle of Gas Fired Absorption Chiller is that waste heat is used as driving energy, while the characteristic of water absorption of lithium bromide solution and the low boiling point of water in a vacuum state are utilized to achieve the purpose of refrigeration and heating.
Our company is committed to looking for strong distributors of LiBr Absorption Chillers, we strictly controll the quality and price of Steam Absorption Chiller for distributors which ensures high quality and low price of products and achieves win-win benefits between both parties.Our company can provide customers with perfect product training including Open Type Cross Flow Cooling Tower, which can enable customers to quickly master the operation skills of Closed Type Water Saving Cooling Tower and improve the operation efficiency of products.
Our company's main products including Heat Pumps always adhere to the principle of good quality and low price, andAbsorption Heat Pump have been highly praised and trusted by customers.
We are a professional manufacturer of Cooling Towers . We have a rich product line including Cooling Towers and can provide customers with high-quality products and services.
Lithium Bromide Absorption Chiller Heat Pump,Gas Fired Absorption Heat Pump,Absorption Heat Pump Residential,The Gas Absorption Heat Pump
EBARA REFRIGERATION EQUIPMENT & SYSTEMS (CHINA) CO., LTD. , https://www.ebara-hvac.com