
Selling High-Strength and Precise Connection High-Quality Semi Grouted Sleeves. High-Strength Material: Made of 45# high-quality seamless steel pipe with stable process performance. Precision Manufacturing: Features precision turning technology and heating diameter reduction to prevent defects. Wide Customization: Offers full customization, minor customization, and flexible options for designs and samples. Comprehensive Certifications: Certified with CCC, CE, and ISO standards for safety and quality assurance. Cost-Effective Design: Matches PVC or PE pipe sizes to reduce auxiliary material costs. Factory Direct Sales: Sold directly from the factory to provide discounted pricing. Strict Quality Control: 100% testing before shipment with strict control over every production process. Fast Delivery: Delivery time ranges from 3 to 15 days depending on quantity.