HULK Metal offers pre-production and free sample delivery services. You can perform various tests on samples. We will start mass production when you are satisfied. If the goods you received have any quality problems. We will take the corresponding responsibility and negotiate with you to solve the problem.

HULK Metal will be responsible for any products with quality problems. We have established a comprehensive return, exchange, and replenishment policy. You can contact us anytime if there is any quality problem with the structural pipe fittings you received.