Jinan Zhongtian Industry Co., Ltd.

Jinan Zhongtian Industry Co., Ltd. (Former Name: Jinan Dinghan Building Products Co., Ltd. and Jinan Donghan Building Products Co., Ltd.) has more than 20 years' experience in the line of Forged Grinding Balls, Cast Grinding Balls, Grinding Material Liners and Various kinds of Tubes, Metal Balusters and Wooden Balusters used for Staircases. Our products are mostly exported to the USA, Canada, Australia, European Countries, South American countries and some countries in Southeast Asia.

For Forged and Casting Grinding balls:
We are equipped with Advanced Automatic facilities for the production of Forged Grinding balls and Casting Grinding Balls. We have also installed International Level Standard Rotary Cutting and Roll Forging equipment to produce Grinding balls.
The Specifications of grinding balls are dia.20mm-dia.150mm.

Materials: high quality Alloy Steel Materials
Remarkable Characteristics of Balls: High Hardness, No Breakage, Long time Wear Resistance.
Export Quantity: 30,000 Metric Tons yearly
Qualification: TUV-ISO9002 System Certificate

For Staircase Balusters:
We developed Tube Balusters in 2007 based on the former products of Metal and Wooden Balusters, which are used for Staircases, and are welcomed in International Market. The benefits of Tube Balusters which Metal ones can not be compared of:

Lighter for easier handling in the field
Strength in the baluster using tubular steel
Cheaper freight costs on non-prepaid orders in comparison to solid bar balusters
Quicker trim cuts and blade savings compared to working with solid bar balusters

All balusters (both Tube and Metal) and the Aluminum Collars are available in standard of 1/2" and 5/8", and are available with six attractive finish options, including powder coating of Satin Black, Matter Black, Antique Bronze, Silver Vein, Copper Vein, Oil Rubbed Copper, having received a high reputation from customers.

Shandong Zhongtian Industry Co., Ltd covers an area of 100,000 Square Meters. We initially have a Plant area of 30,000 Square Meters. Soon after, a Sino-US Joint Venture named Jinan Dingtao Wooden Products Co., Ltd. was founded in 2008. It mainly produces and exports Plywood and Wooden parts for Stairs and Furniture made by Radiata Pine, Red Oak, and Poplar LVL/LVB. Our company has a production line of 6.3 Meters of LVL Plywood, reaching the first level in China.

With more than 20 years' efforts, based on "credit and win-win policy", Jinan Zhongtian Industry Co., Ltd. has established friendly and steady cooperation relationships with clients from various countries in the world. We will persevere in supplying high quality products with the most competitive price, timely delivery and best services to our old clients and new friends.

The choice of cooperation with us is your start of more successful business.

Business Type

Manufacturer, Agent


www.grindingball.net ; www.china-stair.com

Establish Year



ISO 9001:2000 QS-9000

Major markets

North America; South America; Eastern Europe; Southeast Asia; Africa; Oceania; Mid East; Eastern Asia; Western Europe;

OEM/ODM service


Number of employees

500 - 1,000

Anual sales

100,000,000 - 200,000,000 UDS

Legal representative

for premium members only

Business addresss

Sanijan Road, the east of the city,Industrial Zone,zhangqiu city,

Product Name

Metal stair balustrade products


www.grindingball.net ; www.china-stair.com

Contact person

Mr. songtao hou




Sanijan Road, the east of the city,Industrial Zone,zhangqiu city,





Postal code