Over the past years, QUALers, clients, customers and business partners all over the globe have helped Shenzhen Qual Technology Co., Limited make the world better. To every single individual, thank you. We pledge boldness to create a company that never stops moving toward the future. Always Onward. Welcome to Qual: Shenzhen Qual Technology Co., Limited was founded in April 2010 as a high-tech company with research and development, production and sales with the registered capital of 20 ...