Bang Hong Machinery (Figure), Bushes suppliers, Bushes provided by state-hung Machinery Co., Ltd. in Guangzhou. Hung Machinery Co., Ltd. Guangzhou state (www.gzbhjx.com) is a professional, "Bushes, industrial belts, expansion sets, timing belt pulleys" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "state-hung" brand has a good reputation. We adhere to the "service first, customers first" principle, so that the state machinery David won the trust of customers in all of the casting, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you! State hung Machinery Co., Ltd. Guangzhou is a professional production and sales service providers a complete domestic and international sales of well-known brands transmission parts and standard parts, to provide customers with one-stop service, after years of development, has become the largest state-hung universal mechanical transmission service platform, products cover many types of pulleys, taper sleeve, timing belt pulleys Bushes suppliers, expansion sets, widely used in central air conditioning, fan, pump, washing machine Bushes European standard, heavy machinery, mining equipment, printing machinery, textile machinery, wind energy and other fields. We produce this line for many years, Bushes and expansion sets and the industrial belt a few lines of products Bushes, we specialized in millions inventory for manufacturers to achieve zero inventory of your dreams, this is our biggest advantage ! Our philosophy: integrity, excellence, service to replace sales Bushes offer to create win-win, 120% customer satisfaction is our pursuit of your goal! Pulley diameter pulley groove angle with a relationship, different types of groove angle pulley pulley groove angle recommended number of different diameters in the range are as follows: O type pulley pulley 50mm ~ 71mm diameter in the range of 34 degrees when; in 71mm ~ 90mm at 36 degrees,> 38 degrees at 90mm; A-type pulley pulley 71mm ~ 100mm diameter in the range of 34 degrees when, 100mm ~ 125mm at 36 degrees;> 38 degrees at 125mm; B-type pulley pulley 125mm ~ 160mm diameter in the range of 34 degrees when; when 160mm ~ 200mm 36 degrees,> 38 degrees at 200mm; C-type pulley pulley 200mm ~ 250mm diameter in the range of 34 degrees when, 250mm ~ 315mm for the time 36 degrees,> 38 degrees at 315mm; D-type pulley pulley diameter in the range 355mm ~ 450mm at 36 degrees,> 38 degrees at 450mm; 500mm ~ 630mm when the E-type was 36 degrees,> 38 degrees at 630mm