ZhongZe
We engineer high-precision, heavy-duty rotomold tooling for complex geometries. Direct source factory specializing in multi-piece marine hulls, industrial tanks, and heavy structural components with precise warpage control for global OEMs.
From 3D DFMA verification to pattern-making, foundry casting, CNC flange machining, and final oven trials—100% internal.
Tongue-and-groove flange designs eliminate parting line flash, crucial for marine hull aesthetics and drag reduction.
Engineered structural heavy framing designed to withstand multi-layer PE expansion and heavy-density polyurethane foaming pressures.
Rigid CNC-machined thread pin positioners ensure molded-in brass/stainless steel hardware stays perfectly centered during bi-axial rotation.
Optional multi-layer industrial Teflon cavity coatings for permanent, effortless part release and high-gloss plastic surface aesthetics.
Anti-rust chemical spray, heavy-duty shrink wrapping, and reinforced steel-crate packaging built to absorb high ocean transit vibrations.
Our standard 5-phase tooling workflow includes Design Optimization, Pattern Building, Parting Line Processing, Framing & Clamping, and First Article Validation — guiding each project from concept through verified results.
Enables simultaneous multi-axis machining for massive single-piece molds (such as large water karts) without repositioning, maintaining absolute datum precision.
Dedicated to intricate structural detailing, core inserts, and tight-tolerance mating flanges. Ensures leak-proof seal performance during high-temperature rotation cycles.
Enables simultaneous multi-axis machining for massive single-piece molds (such as large water karts) without repositioning, maintaining absolute datum precision.
Dedicated to intricate structural detailing, core inserts, and tight-tolerance mating flanges. Ensures leak-proof seal performance during high-temperature rotation cycles.
CAD-to-assembly precision molding for automotive, outdoor, appliance, industrial & healthcare. 80 engineers excel in thin-wall, 2-shot & durable molds. Your reliable plastic partner.
Precision molds for automotive & transport: air ducts, reservoirs, spoilers, bumpers, fuel tanks, seat frames & interior trims. Engineered for impact resistance, weight reduction & thermal stability. Expertise in blow, injection & rotational molding.
Precision molds for automotive & transport: air ducts, reservoirs, spoilers, bumpers, fuel tanks, seat frames & interior trims. Engineered for impact resistance, weight reduction & thermal stability. Expertise in blow, injection & rotational molding.
Precision molds for automotive & transport: air ducts, reservoirs, spoilers, bumpers, fuel tanks, seat frames & interior trims. Engineered for impact resistance, weight reduction & thermal stability. Expertise in blow, injection & rotational molding.
Precision molds for automotive & transport: air ducts, reservoirs, spoilers, bumpers, fuel tanks, seat frames & interior trims. Engineered for impact resistance, weight reduction & thermal stability. Expertise in blow, injection & rotational molding.
Browse our in-house mold library and order exactly what you need
— in any quantity, any color, with your branding. No investment in tooling, no minimums, no waiting months to get started.
Project Cases
OEM / Wholesale
Mold Lead Time
On Stock Products
Automotive
Automotive
Automotive
Automotive
Automotive
Whether you need a custom mold, want to order go-kart boats wholesale, or just need 10 water tanks in a specific color — start here. We respond within 1 business day.
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