Trench cover installation fold edit 1. Installation instructions for this section: anchor piece supporting frame must be firmly embedded in the cement layer; 2. ditches on both sides of the supporting surface must be flat, firm; 3. flat direction bearing (support ) direction iron gutter cover, press the ditch (well) wide gaps remain flat fixed length L; 4. Press the ditch (well) long layout, taking in line with standard processing modulus plate width 995mm, leaving a gap between the plates 5mm; 5 . sulcus (Wells) remaining less than one meter long section modulus given by size; 6. selected steel grating type according to ditch (wells) wide and load requirements. 7. recommended to choose a standard size for design and construction. 1> contract due to different customers use the product as well as materials, specifications, standards and other requirements are not the same size, so please choose to order our products online in time for me to communicate with plant sales or telephone communication, determine a good detailed specifications and quality requirements, and signed the purchase contract, the communication is not in place to avoid unnecessary losses you. 2> about payment please have your payment in the manner of payment contract gutter cover payment account must be marked on the contract. I plant sales staff will take a sincere attitude, professional point of view, friendly service for you to analyze recommend products to meet your satisfaction. Thank you to order our products, willing to establish long-term cooperative relationship with you in an honest man, honest business philosophy. Thank you! Return policy due to different customers on product specifications, dimensions and other parameters, such as different railway gutter cover, I plant mostly cargo orders, so different from ordinary online shopping, non-quality problems walking street gutter cover, we reject Returns, please clear later, and then sign a contract. Inconvenience this has caused you apologize. Thank you for your understanding and support of our work! Bridge gutter cover | Asahi Connaught wire mesh (certified) | gutter cover provided by Anping Wire Mesh Products Co., Ltd. Asahi Connaught. Asahi Connaught Anping Wire Mesh Products Co., Ltd. (www.wangpian1688.com) Hebei Hengshui, the wire mesh of the leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Snow in Asahi Metal Mesh leadership with the staff warmly welcome all inquiries negotiations to create Asahi promise a better future wire mesh.