Han Yale is dedicated to providing quality window regulators, and HANSUN is our brand. HANSUN Window Regulators are designed and manufactured to meet OE standards and undergo stringent quality tests to ensure the perfect fit every time. Our re-engineered processes improve original design and simulate various environmental testing conditions to ensure form, fit and function. All the HANSUN brand window regulators are 100% fitment guaranteed, more durable and have outstanding performance. The value-added services such as packaging, instruction sheet, and all other technical support are all well wrapped up in HANSUN package.