High Precision Hydraulic Metal Seal Rings AS OE with 12 Months Warranty Experienced Customize or Processing Drawings or Samples

Metal Sealing Ring Advantage

• Domestic customer OE plant: Zoomlion, SANY Heavy Industry, Weichai, Yuchai, Zichai, CRRC Ziyang Co., Ltd, VW Shanghai
• Overseas OEM supplier for hydraulic Sealing Ring
• Can be customized & Processing Drawings or Samples
• Metal Sealing Ring size from 15mm to 800mm
• 100% tested for the accuracy and quality
• High quality and reasonable price
• High torsion strength and fatigue strength
• The rubber sealing ring needs to be replaced every 6 months. The metal sealing ring is replaced every 3 to 5 years. The service life of the metal sealing ring is 6 to 10 times that of the rubber sealing ring. so the replacement of rubber sealing rings by metal sealing rings is a trend in the future.

Application

• Hydraulic metal sealing rings for construction machinery such as tower cranes and dumps trucks, etc.
• Industrial metal sealing rings for turbines, winding engine, gear cases, blast blowers, pumps, etc.
• Auto engine use high-temperature sealing ring, valve steel seal exhaust sealing ring, etc.

★Changsha HaoChang Machinery Equipment Co., Ltd ( HC-Enginepart ) is a Company of Manufacturing and Trading

engine parts of diesel and gasoline engines including Timing Chain Kit, Crankshaft, Piston ring, Cylinder Head and Cylinder

Liner.
★Our quality is stable and reliable. Since 1999, the business of engine spare parts export has been started. So far, we have

our own production base for piston ring, crankshaft, cylinder liner and timing chain kit, and have established stable business

relationships with more than 20 OE manufacturers in China.
★We are capable to manufacture iron and steel piston rings from different materials, the diameter is between 30mm to

800mm. Our piston rings are OE for Yuchai and Shanghai Volkswagen, and industrial metal sealing rings are also developed,

such as hydro-cylinder, air Compressor, gear case, and air blower, which are supplied 20,000 pieces hydraulic metal sealing

rings annually for Thailand dumps trucks manufacturing company.
★We pay high attention to the latest scientific and technological input, we have built a number of standardized laboratories

and introduced advanced technology and equipment from abroad, constantly update models and develop new products.

We also have a high-effective team with 20 years of experience to develop new products and provide more kinds Of engine

parts. We help Nigerian customers build their brands, occupy more than 60% of their local market, and establish long-term

and stable cooperative relationships with each other.
★Our cooperated customer’s brands like Dieseltek, Telford, Diesel, Sammitr, Dynagear Zoomlion, SANY Heavy Industry,

Weichai, Yuchai, Zichaiand so on.
★Our brand aims to continuity, quality, service reliability, and innovation; and the goal is Providing every customer with

superior quality products at competitive prices.

Do you develop metal sealing rings?
A: We have a professional metal sealing ring development team for more than 20 years, accepting drawings and samples for

processing, or customization.

What is the development process?
A:1. The customer will audit our company according to the supporting requirements. We provide FEMA full set of information

according to customer requirements.
2. Customer quality management engineers on-site audit of our quality management level
3. The customer's process engineer reviews the process level of our company on site.
4, sample installation test
5. After the sample is tested, it will enter mass production.

What is the range of metal sealing ring diameters that you can produce?
A:¢15mm-¢800mm

What is packing?
A: Neutral box, wooden case;
Customer own brand box as required.

How long is the warranty period?
A: 12 months from the installation.

What is the minimum order quantity?
A: According to the cylinder diameter, it is negotiable.

When can you deliver the goods?
A: The development cycle takes about 45 days, and the mass production takes about 45 days, for a total of 90 days.
We will send the courier number to you after the goods delivery.

What's about the After-service policy.
A: The metal sealing ring is limited to replacing such product during the warranty period;
This warranty shall not apply to product subjected to racing, accidents, negligence, abuse, alteration, misuse, acid damage,

improper installation or unsuited use ;
The warranty of this metal sealing ring shall not be liable for any consequential, special or contingent damages, expense or

injury arising directly or indirectly from the use of this product.

Do you only produce metal seal rings?
A: Sealing ring products, we only produce metal materials.

The rubber sealing ring needs to be replaced once every 6 months, and the metal sealing ring is replaced once every 3 to 5

years. For customers, the after-sales service using the rubber sealing ring is too high. So the replacement of rubber rings by

metal sealing rings is a trend in the future.

Changsha Haochang Machinery Equipment Co., Ltd has been founded by Susan Deng who is a mechanical engineer. She has accumulated more than 20 years' experience in Auto parts development and export.

All product we supplied that has reached OEM standard in domestic and abroad. We have successfully built customer brand DIESELTEK, SHAHYA, TELFORD, DYNAGEAR, etc.

We have passed the certification of ISO9001-2015, TUV, CE.

Our company is located in Changsha, Hunan. A good industrial foundation helps the company to develop steadily. There are Sany Heavy Industry, Zoomlion, Geely, BYD Industrial Base and the first Piston Ring Factory in China.

Our main product includes crankshaft, cylinder head, cylinder block, cylinder liner, piston ring, piston and timing kit. Except for the timing kit, other auto engine parts are suitable for engineering machinery and trucks, such as Cummins, Caterpillar, Mercedes Benz, Man, Nissan, Isuzu, Hino, etc. Timing kit is used in passenger cars including German vehicles, American vehicles, Japanese vehicles, and Korean vehicles.

We promise our product to have ONE YEAR warranty after installation. Cylinder liner strictly produces in Cummins/Caterpillar international standard. Crankshaft, Cylinder head, Cylinder block, Piston ring strictly implement the OE standards of Weichai, Yuchai and Shanghai Volkswagen. The piston strictly implements the MAHLE OE standard.

Develop as drawing or sample is accepted. We will supply an excellent option in 48 hours after receiving the customer’s drawing. If no drawing or sample, we could supply the suggested option in 48 hours according to product work condition, engine power, product basic size, material, and treatment.

For general items quotation, timing kit needs a part number, vehicle model and year to classify. Crankshaft, cylinder head, and cylinder block need the engine model or part number. Cylinder liner, piston and piston ring require a part number or basic size.

Regular products can be delivered within one week if stock available. If no stock, the product can be finished in 35-45 days.

For Cummins and Caterpillar vehicles, we could supply complete engine, fuel injector, fuel nozzle, camshaft, valve, cylinder head gasket, connecting rod, bearing, air compressor, turbocharger, oil pump, and water pump, etc.

Focus on professionalism, so we could serve customers better.

Over 20 years of foreign trade experience, we have formed a set of processes in delivery, shipment, arrival, sales, customer feedback.

Stable quality and ever-increasing customer experience have earned us more customers.

Company vision: To be a first-class supplier in the market segments.

Company values: Professional,Dedicated,Practical.