P4mm High Bright Outdoor LED Electronic Display Sign Board Factory

P4mm High Bright Outdoor LED Electronic Display Sign Board Factory*Very cost effective;*High refresh rate more than 1920Hz;*Light weight design cabinet for options;*Excellent image quality, running stable;*High resolution;*Simple installation.More Applications:Connection:Production Process:Certification:Packaging and Shipping: Our service Pre-sale service: 1. Inquiries will be replied within 24 hours.2. Market research and forecast for customer.3. Provide unique and professional solutions based on customer's requirement.4. Data sheet and samples offered.5. Other required services such as special packing design, factory visiting and so on.In-sale service:1. Tracking producing procedures all the time.2. Provide photos and videos as per customer's requirement during production.3. Free spare parts provided.After-sale service:1. Complaint respond period not exceed 24 hours; maintenance guidance and problem solution supplied in 48 hours.2. Warranty: 1year3. Free technician training.4. Full set of documents free of charge, which including installation guidance, software operation manual, easy maintenance manual and control system software CD and so on.FAQ:    /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1