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Turnkey products, from parts to a packed product

For customers who sell a complete product, we mold the plastic parts, source and manage the other components, assemble and test, and ship it in retail packaging.

Made by Hengtai

Molds, molded plastic parts and machined parts
Sub-assembly and final assembly
Mechanical and electrical testing
Blister packing on 4 automatic sealing machines
Retail packaging, labeling and export packing

Sourced and managed by Hengtai

PCBs with SMT components
Die-cast zinc alloy and other metal parts
Stainless steel and stamped parts
Packaging materials and other purchased parts

We select and qualify these suppliers, inspect incoming parts and take responsibility for the complete product.

Examples

Products we build for customers who sell them under their own brand.

Bike-mounted generator

A lightweight, highly efficient generator that mounts beside the bicycle wheel and charges phones and other personal electronics wherever you ride. The detachable battery pack can be used for mobile USB-charged devices.

The generator mounted beside the rear wheel of a bicycle — Generator mounted on the bike

The detachable battery pack being fitted to the generator — Detachable battery pack

Component or step	Process	Done by
Plastic housings	Injection molding	Hengtai
Plastic gears	Injection molding	Hengtai
PCBs with SMT components	PCB assembly	Qualified supplier, managed by Hengtai
Assembly	Final assembly	Hengtai
Mechanical and electrical testing	Functional test	Hengtai
Packaging	Retail packaging	Hengtai

Meat tenderizer

A kitchen tool that tenderizes meat with rows of stainless steel blades, sold with a storage stand in a retail box.

Meat tenderizer components: plastic housing, stainless blades and storage case — Components before assembly

Component or step	Process	Done by
Plastic housing	Injection molding	Hengtai
Zinc alloy parts	Die casting	Qualified supplier, managed by Hengtai
Stainless steel piercing blades	Precision blades	Qualified supplier, managed by Hengtai
Assembly	Final assembly	Hengtai
Packaging	Retail packaging	Hengtai

“PRIM performed and delivered as though we were a Fortune 500 company.”
Ed Ferencik, Founder, The Butcher’s Kitchen

Fitness roller set

Hand and foot rollers for push-up and core workouts, sold as a set with a knee pad and carry bag.

A roller with its handle and foot strap, and the underside of a roller showing nine wheels — Foot strap and the nine-wheel base

A man doing a push-up with a roller under each hand — In use

Component or step	Process	Done by
Handles, housings and roller bases	Injection molding, with an overmolded soft grip	Hengtai
Snap-on covers	Injection molding	Hengtai
Wheels	Injection molding	Hengtai
Foot straps, knee pad and carry bag	Sewn and foam parts	Qualified suppliers, managed by Hengtai
Assembly	Final assembly	Hengtai
Packaging	Retail packaging	Hengtai

Sandwich grill

A cast aluminum sandwich grill popular in the 1950s, re-created from a 60-year-old sample and sold in a reproduction of its original box.

Component or step	Process	Done by
CAD model from the original sample	Reverse engineering	Hengtai
Grill plates	Aluminum die casting	Qualified supplier, managed by Hengtai
Handles	Handle manufacturing	Qualified supplier, managed by Hengtai
Assembly	Final assembly, with adhesive bonding we proposed	Hengtai
Packaging	Reproduction of the original 1950s box, then a lower-cost improved version	Packaging supplier, managed by Hengtai

“Shipped us fully assembled prototypes four weeks after the dies for aluminum casting were completed.”
Rich Caldwell, President, Toas-Tite, LLC

One supplier for the whole product

You send one purchase order and receive finished, packed goods. We coordinate the purchased components, schedule assembly around molding, and handle export packing and shipping documents through our trading company, Liyang Yidu.

Our U.S. office, PRIM, can invoice U.S. customers in U.S. dollars.

Request a quote

Tell us about your product, the parts list and annual volume, and we will propose how to build it.