Construction & Real Estate

This powder coated garage door torsion springs supplied by CHI, a trusted garage door spring supplier, are made from high-strength spring steel and engineered for smooth lifting, reliable balance, and extended service life. They are available in a variety of wire sizes, inside diameters, lengths, and cycle ratings to suit different residential and commercial sectional garage door systems. CHI, as an established garage door manufacturer, provides distributors, installers, and garage door companies with a full range of spring specifications, clear labeling for inventory management, and streamlined packaging for field installation. Efficient production and secure shipping reduce inventory pressure and simplify procurement for commercial clients. ————Key Specifications———— • Diameter: 1-3/4", 2", 2-5/8", 3-3/4", 5-1/4", 6" • Standard springs cycles: 16,000+ • Garage door spring material: high carbon steel 82B • 4 different customized surface treatment ————Performance & Benefits———— • The powder-coated finishing on each torsion spring forms a durable protective layer against moisture, corrosion, and wear, ensuring consistent tension and reliable performance for everyday garage door operations over the long term. • Made from 82B high-carbon steel, each powder-coated spring delivers exceptional load capacity and fatigue resistance, supporting both standard residential doors and high-cycle commercial applications while maintaining structural integrity. • Clearly marked size information, winding guides, and torque indicators on each spring simplify part verification, enabling warehouse staff and installers to quickly select the correct component, reduce installation errors, and efficiently manage replacements on-site. ————CHI Manufacturing & Process Strength———— • Each spring is subjected to stringent quality control, including corrosion, tensile, and fatigue testing, to ensure long-lasting durability, consistent performance under varied conditions, and minimal maintenance needs for wholesale clients. • Custom markings are available for springs up to 50 inches in length, streamlining inventory organization, facilitating repeat orders, and enabling precise tracking for distributors, installers, and service teams. • Every spring is packaged in reinforced, anti-collision materials and carefully handled during transport to minimize damage, ensure on-time delivery, and maintain full functionality for commercial garage door systems. ————Contact Us———— China Chi Hardware Co.,Ltd. Website: https://www.chihw.com/

Minimum Order: 1 bags

Factory Address: No. 1 Chuangxin Road, Jiaxiang HighSpeedRail Industrial Park, Jining City Office Address: Building B, Xinshengyucheng, No.177 North Gongqingtuan Road, Jining CityWe welcome global customers for privatelabel, OEM and ODM cooperation.Contact: Chen Yinghua Mobile & WeChat: +8615905379185 Associated Companies: Jining Hengkang BioPharmaceutical Co., Ltd. Shandong Qingbaotang BioPharmaceutical Co., Ltd. Shandong Qingbaotang is a comprehensive healthfocused enterprise integrating scientific research, manufacturing and sales. We are equipped with a number of modern GMPcertified production lines. The company holds various official approvals, including Chinese medicine approval numbers, national healthfood registration approvals, SC food production licenses, disinfection product permits, and special cosmetic approval certificates. Our main product portfolio covers Chinese patent medicines, health foods, foods for special medical purposes, medicinefood homologous products, novel food ingredients, plant extracts, cosmetics, functional cosmetics, and disinfectionrelated products. We also provide professional OEM and ODM manufacturing services for healthpreserving alcoholic beverages. We can produce a wide range of dosage forms: pills, tablets, granules, powder products, soft capsules, hard capsules, herbal teabags, effervescent tablets, oral liquid drinks. For cosmetics, we are capable of manufacturing creams, lotions, emulsions, liquid skincare items and facial masks.

Glutathione is a well-known bioactive ingredient supplement. It is provided as a dietary supplement raw material, produced with refined processing techniques. It serves as a common option for people’s daily nutritional supplementation needs.

What Are Steel Moulds & Their Role Steel moulds for precast concrete are precision formwork systems used to shape, cast, and finish a variety of concrete components in a controlled factory environment. These moulds are fundamental to producing durable, high-strength, dimensionally consistent precast products with excellent surface finish and reduced construction variability. Types of Precast Concrete Products Covered Wall panels and façade elements Beams, columns, lintels and hollow core slabs Traffic barriers and New Jersey-type barriers Culverts, channels, utility tunnels, drainage troughs Manholes, inspection chambers, catch basins Retaining walls, eco-slope blocks, landscaping modules

Barrier Types & Custom Configurations Single-sided parapet block Double-sided parapet block Double-sided transition parapet block Double-sided end retaining wall block Variable slope types, F-shape and constant slope variants (on request) Custom lengths and heights beyond standard dimensions—tailored for your project’s median, roadside sidewall or median divider needs. Advantages & Technical Highlights Tight tolerance mould manufacture at ±2 mm, ensuring uniform interlocking and repeatable fit on delivery. Premium sealing solutions (silicone or gasketed joints) ensure a leak-proof design for the cement slurry. Robust steel mould casting design with single or double-sided mould configurations depending on barrier face requirements. Automated hydraulic opening/closing systems and quick mold release mechanisms for reduced labour and faster turnover. High durability – molds built to endure many casting cycles, reducing amortization and lowering cost-per-unit over time. Production capability: standard width/height in the range of 1 to 4 meters (other sizes custom-made), with delivery lead‐time approx. 1 month.

Structural & Configuration Types By Mold Configuration: Horizontal-type molds (laid flat) and Vertical-type molds (standing casting). By Chamber Quantity: Single-chamber, Double-chamber, Multi-chamber (3+ chambers). Special Components: Ventilation openings, access shafts, integrated wall panel or top slab elements, custom chamber dividers. Features & Advantages Fully automatic hydraulic mold opening/closing system for faster turnover and reduced labor. Integrated vibration mechanism to ensure proper compaction and smooth finish. Premium sealing performance with silicone gaskets and tight joint alignment to prevent leakage of cement slurry or ground water ingress. Stationary casting process with stable base & guided sliding outer mould for precision alignment. Automated box culvert mould production line capable of continuous operation, optimizing throughput and reducing amortization costs. Precise mould manufacture with all components produced with ±2 mm tolerance. Size range of moulds from 1 m to 4 m, custom sizes beyond that available on request. Durable steel material that under normal use achieves multiple casting cycles, providing excellent lifecycle cost savings. Typical lead time from order confirmation to delivery is ~1 month.

Precast Manhole/ Inlet Molds Precast Manhole & Inlet Molds , Also called Molds for Inspection Chambers, Cable Ducts mould，Utility Boxes/Catch Basins moulds . They are designed for manufacturing Manholes and Rainwater inlets. Product Overview Our manhole forming systems, also known as molds for inspection chambers, cable ducts, utility boxes, and catch basins, are designed to produce high-quality precast manholes and rainwater inlets. These moulds for precast concrete products are engineered for precision, durability, and efficiency in municipal and civil engineering projects. Types of Manhole & Inlet Moulds Manhole molds by structural form include: Circular manhole molds Square manhole molds Rectangular manhole molds Inlet molds by grate type include: Single-grate inlet molds Double-grate inlet molds

About Sino Mould Sino Mould is a precast concrete mould manufacturer with over 20 years of experience in designing and producing bespoke steel moulds for precast concrete products. Located in Huanggang City, Hubei Province — the geographic center of China — our factory benefits from reliable raw material supply and convenient logistics. Since March 2024 we have supplied precast moulds directly to customers in Australia, Germany, Japan and Kazakhstan. Technical Capabilities We produce high-precision moulds for precast concrete products using advanced equipment and quality materials to ensure durable, repeatable results. Manufacturing scale: Annual output > 3,000 tons of moulds. Staffing: 10 R&D & engineering professionals and 50 skilled production employees. Equipment: 30 sets of high-precision CNC machines, laser cutters, bending machines and automated processing centers. Dimensional range: Standard mould sizes from 1 m to 4 m (larger sizes available on request). Tolerance: All moulds manufactured to ±2 mm accuracy. Materials: National-standard structural steel for long service life and consistent form finishes. Lead time: Typical delivery in approximately 1 month. Fast assembly: Quick-lock systems (no traditional bolts) allow assembly/disassembly in ~3 minutes. Optional systems: Japanese copper-core high-frequency vibration motors and frequency converters for superior concrete compaction.

Based on high quality clear float glass, low iron glass and tinted glass, we are offering high quality mirror, and the mirror is with higher reflectance and lasting durability. Main product : Silver mirror, Aluminium mirror, Copper free mirror, Antique mirror. Thickness is from 2mm to 10mm, Max size is 2440*3360mm.

Minimum Order: 100

Application of Sodium gluconate is a compound with formula NaC6H11O7. It is the sodium salt of gluconic acid. It has the E number E576. Sodium gluconate is widely used as water-reducing admixture, retrader admixture in the construction industry; used in textile dyeing, printing and metal surface water treatment; and used as a chelating agent, a steel surface cleaning agent, a cleaning agent for glass bottles, and as a chelating???and used in electroplating, film manufacturing industry. As cement is adding a certain amount of sodium gluconate, it can increase the strength,and also has the function of blocking, which postpones concrete the first with the final solidification time.

Minimum Order: 25

Fiberglass drywall joint tape is usually used for Construction and declaration application as joints for decoration or repairing wall crack, etc. Usual Spec: 70g-9x9 50mmx20m 70g-9x9 50mmx45m 70g-9x9 50mmx90m Also can offer 60g-9x9, 150m roll etc.

There are many types and specifications of fiberglass net. Generally the mass from 60 g/sq m up to 500 g/sq m; and the meshes from 20 x 20 to 1 x 1; As to the weave, it might be leno or plain. Application (1), In construction industry for wall finishing reinforcement. There are different specification adopted, such as 70-5x5, 80-5x5, 100-5x5, 130-5x5, 150-5x5, etc.. (2), In construction industry for reinforcing water proofing products, such as water proofing membrane, water proofing roof. (3), In construction industry for reinforcing cement floor. (4), In stone industry for reinforcing marble slabs, etc.. There are many different specification, which might be made according to customers demand. (5), In stone industry for reinforcing mosaic. The specification and structure might be made at special demand for being suitable. (6), In grinding wheel industry for reinforcing grinding wheel, cutting wheel, dish wheel, etc.. There are many different specification and different types made according to order. (7), In many other fields as reinforcement for lots of application. The main models of fiberglass net are as follows: 70-20x10 70-6x5 80- 6x5 100 - 5x5 130- 5x5 145- 5x5 160 - 5x5 As to the width and roll length, it might be according to order.

Metal Corner Tape is an ideal material for drywall applications, usually for internal or external corners which are 90 degrees or not 90 degrees with manual operation. It has high flexibility and can be used for all off angles, thus become replacing traditional metal corner bead. Specification: The corner tape's size is usually 50mm x 30 m per roll, other length can be done according to customer's request.

Plastic Corner bead is mainly used for plastering of walls (Drywall), provides excellent protection to external corners. The holes and knurled surface provide an excellent 'key' for the joint compound. It includes several types such as "L" bead.