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Precision Measuring Leveling Tools Cast Iron Straight Edge Ruler - China

price: contact company for price


Cast iron straight edge is used to test the straightness and flatness of workpiece and equipment installing.

Straight edges are also used for blue matching during hand scrapping operations& have wide and parallel working surface for application of spirit level.

According to standard GB/ 6318- 85

Working surface made by scraping or grinding.

Working environment temperature is ( 20±5) °C

If you want other size of cast iron straight edge , we can produce the edges according to your drawing.


It is used to test the straightness and flatness of workpiece and equipment installing.


The material is high strength cast iron HT250


It is in accordance with the procedure of state standard for measurement and inspection, which is divided into three levels of 0- 2.


According to your detail requirement.



Shipping Methods:

We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. You also can choose your own shipping forwarders. About the large products, we choose shipping by sea.


1. L/ C

2. T/ T

3. Western Union

Packaging Methods

Wooden case

Our Services

1. Any inquiries will be replied within 24hours

2. Professional manufacture, welcom to visit our factory.

3. OEM/ ODM available:

1) Paint logo on the product.

2) Customized product according your drawings.

3) Any your idea on product we can help you to design and provide drawings.

4. High quality, practical designs, reasonable & competitive price, fast lead time.

After- sale Service

1) All products will have been strictly quality checked in workhouse before packing.

2) All products will be well packed before shipping.

3) We can take over the mounting or clamping activities or mounting plan.

4) We provide the finished project report. Including Contract, Drawings, Quotation Sheet, Proforma Invoice, Technical Description, Manufacturing Progress Control Schedule, Test and Inspection Reports, B/ L, Insurance, Commercial Invoice, Packing List, Certificate of Origin.

Company Contact:

  • Phone: 02161670996

  • Address: Room 2705,Soho.2 Building,No.388 Zhongjiang Road,S, Shanghai, China

  • Email: Email

Published date: November 3, 2015 -

  • Business Description: Shanghai Chenghua Machinery Co., Ltd. is a large scale business entities

    specialized in research, development, production and sales of mechanical

    equipment, mechanical processing, precision measuring tools (cast iron,

    granite) and component; also, is the only surface plate manufacturers in

    Shanghai and East China, mainly deals in the design, manufacture,

    installation, splicing and commissioning of marine fire surface plate,

    welding platform, large scale motor test platform, assembly platform,

    large machine working surface plate and so on. As authorized sales agent

    of SINGAPORE OIL, PETROFER CHEMIE, we deal with boat fuel of SINGAPORE

    OIL and full G range of PETROFER CHEMIE' s products, as well as

    different specifications of domestic and international industrial

    lubricants, bunker oil, special industrial cleaning and surface

    treatment agent of DINITRO, TECTYL, CORTEC, MOBIL, SHELL, CALTEX, the

    Great Wall, and Kunlun. At the same time, we are agent of projectors of

    Germany Schneider, as well as all kinds of precision measuring

    instruments of MITUTOYO and SWISS TESA.

    Our machining equipments are all high tech products in the same line, including 3x21m planer, the most advanced instruments of physical and chemical laboratories in domestic and 3x6x21m heat treatment workshop, has the capacity to undertake a variety of large projects. Since our establishment, we have helped many large state owned enterprises to undertake the assembly of experimental platforms. With the support and cooperation of Shanghai Machine Tool Works, our products are sold to Japan, Germany, the United States, Taiwan Area and other countries and regions, with annual sales volume of 60 million China Yuan and export value of 2.1 million US dollars. Summing up all the advantages of state owned enterprises, wholly owned enterprises and private enterprises, we have improved our management system. Under the support and supervision of our City Science and Technology Commission, we won Technology Award many times. Our product's quality, delivery time, manufacturing process design, after sales service and quality assurance systems are better than other companies. In 2003, we designed, manufactured and installed 28m x 20m large platform for SHANGHAI BAO STEEL GROUP. The product was recognized not only by SHANGHAI JIAOTONG UNIVERSITY and TONGJI UNIVERSITY, but also by other related academic authorities, and become the industrial iconic product. Thus, we honored as the only supplier of all working platforms of SHANGHAI BAOSTEEL GROUP. In the shipbuilding industry, our company is honored as the platform and iron board diesel engine suppliers for SHANGHAI JIANGNAN SHIPYARD, CHINA SHIPBUILDING XING KONG BASE, NANTONG UNTTED HEAVY INOUSTRIES, NANTONG LIANXING PORT SHIPYARD and ZHOU SHAN COSCO SHIPPING CO., LTD., HEFEI RONG ANN POWER MACHINERY CO., LTD. and has received favorable comments from our customers.

    With a comprehensive enterprise management system, a reliable quality assurance system and advanced technical equipment, our products enjoy great popularity in domestic and overseas markets. Our policy is "Excellent management, the highest product quality, the best staff character and the first class service". We sincerely welcome customers to visit us and work together with us to create our both brilliant future.

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