Language
- 中文
- English

scroll down

PRODUCT CENTER

Adequate stock and fast delivery

Tapered Bushings

Adopting standardized design, the keyway of the inner hole is processed according to ISO standards, with excellent universality and interchangeability, suitable for various scenarios

Cone Sleeve Pulley--SPA

OUR STRENGTH

We are able to meet a variety of order requirements, including monthly production projects as well as daily customized projects. Our goal is to make the entire business process as simple and convenient as possible. We instill a commitment to the highest standards in every employee to ensure that our team is always trustworthy.

Rich production experience

Through years of production practice, we have accumulated rich production experience, strictly following the product's process flow and process indicators for each production process, and setting corresponding assessment systems.

Perfect quality assurance

Quality is checked layer by layer to make customers feel more at ease. Behind the perfect quality assurance is the tireless pursuit of product quality by enterprises.

High quality raw materials and advanced equipment

Haofa has high-tech machines and raw materials from the most famous material manufacturers in China. Quality is carefully monitored at every level to provide wholesalers with high-quality products, making customers feel more at ease.

Factory direct sales guarantee the most affordable price

Affordable wholesale website provides you with affordable wholesale first-hand sources, affordable factory direct sales, including affordable prices.

Maximizing Your Benefits

Imported top-notch processing equipment and advanced production machines, with huge production capacity and sufficient inventory, directly supplied by factories, allowing wholesalers to save more costs!

Comprehensive sales and service system

The company adheres to the business philosophy of "integrity for survival, parity for development, three-year warranty and lifelong maintenance". Establish customer trust in the "Haofa" brand.

Haofa Transmission

ABOUT US

About Haofa Transmission

Shanghai Haofa Transmission Technology Co., Ltd. is a Shanghai-based professional manufacturer specializing in the R&D, production, and sales of European standard tapered sleeve pulleys, tapered sleeves, and couplings. The company strictly adheres to DIN2211/DIN8187 European standards in production, utilizing HT250 cast iron material. The entire product range undergoes G6.3 dynamic balancing calibration, ensuring high locking precision, stable operation, vibration damping, noise reduction, rust resistance, and durability. Products cover all groove types: SPZ/SPA/SPB/SPC. Standard models are readily available in stock, with customization options for non-standard specifications. We provide reliable transmission solutions tailored for equipment in industries including fans, pumps, automation, packaging, textiles, and mining. Leveraging core strengths—local Shanghai manufacturing, rapid delivery, consistent quality control, and personalized service—Haofa is committed to becoming the preferred supplier of European standard pulleys in the Yangtze River Delta region, offering both competitive value and superior quality.

Learn More ➜

1000 +K

Various products

6000 +K

Annual output value

WORKSHOP

We guarantee that you will receive the product at a competitive price and we will be dedicated to serving you to meet all your specifications and needs.

Our factory is highly effcient and flexible manaement sysem

improve the quality management system,and a good precision equip-ment,advanced and reasonable production process

Haofa Transmission

BLOG

Can the water pump pulley be replaced with a tapered pulley?

When it comes to water pumps, many people probably think of the small machines used for pumping water in rivers. In fact, in the industrial production industry, water pumps have a wide range of uses and their physical structures are also divided into many types. What materials can the water pump transport? How does the water pump transport materials? Today we will talk about a key transmission component on the water pump - the pulley.

03-10

2025

What is the inner diameter of the pulley?

Before selecting a pulley, we recommend that companies measure the diameter of the two shafts at the equipment end, and then consider the size of the transmitted torque to determine which standard pulley to choose. The physical structure of the national standard pulley is different from that of the European and American standard pulleys, so there is a distinction in the selection. For example, the inner diameter of the same pulley has different definitions on national standard pulleys and European standard pulleys.

03-03

2025

Haofa Transmission Technology tells you how to avoid the problem of belt pulley being too tight

The European standard pulleys produced by Shanghai Haofa Transmission are highly favored by customers. However, many customers find it very difficult to disassemble the pulleys, which can easily damage them. Often, this is due to the installation of the pulleys being too tight, which can affect the normal operation of the equipment. So, how can we avoid the problem of pulleys being too tight? Haofa Transmission Technology tells you!

03-03

2025

FAQ

Q1: Are you a manufacturer?

A1: Yes, we have been in providing the professional products over 15 years.

Q2: Is customized available ?

A2: Yes, according to your detailed drawings you provide.

Q3: How to pay?

A3: Via Paypal ,T/T payment,Trade Assurance and other payment. About the payment details please feel free to contact us. Thank you!

Q4:Quality control system

A4:We have a research & development quality control center, we will test them every order.

Q5:Can you supply sample?

A5:Yes,free small samples,but air cost will be paid by customers.

Q6:How many days will the samples be finished? And how about the mass production?

A6: Generally the samples will be sent immediately by the air express in 3-5 days if the goods are in stock. Normally within 30 days or according to your order.