Blister Thermoforming is a Manufacturing Process.   Raw material and the first step of production. We shall prepare copper mold or aluminum mold,upper mold. Form into shape and cooling.

If you've ever bought transparent fruit boxes in bulk, you've probably noticed something: they all look similar. Clear plastic, a lid that snaps on, a stack of containers in the warehouse. But any experienced buyer knows the truth — looks are deceiving. Under the same transparent surface, the material can vary enormously. And that material is exactly where the difference between a good box and a great one is decided. At our thermoforming plant, we've spent [17] years producing packaging to a higher standard. Here's why the material in our transparent fruit boxes puts us in a different class from the general market — and why that difference matters to your business, your customers, and the fruit inside. 1. Food-Grade Material You Can Actually Trust The first and most important difference is the resin itself. A large share of the transparent boxes sold on the open market are made from recycled or mixed-grade material. They're cheaper to produce — and it shows, both in appearance and in safety. Our fruit boxes are made from virgin, food-grade material, selected specifically for direct contact with fresh food. That means: No lingering odor or taste transfer that can taint delicate fruit. No risk of contamination from unknown recycled sources. Compliance with food-contact expectations in the markets you sell to — including the US, Chile, Mexico, and Europe. When the box touches what your customers are going to eat, the material grade is not a detail. It's the whole point. 2. Clarity That Makes the Fruit Sell Itself Consumers buy with their eyes. In grocery stores, a transparent fruit box is doing two jobs at once: protecting the fruit and displaying it. Standard market boxes often have a hazy, yellowish, or cloudy finish. It hides the product and makes the packaging look cheap. Our material is chosen for high optical clarity. The result is a box that's crystal-clear — so the strawberries, blueberries, cherry tomatoes, or grapes inside look fresh, vivid, and appetizing at first glance. Better visibility means better shelf appeal. And better shelf appeal means faster sales for your retail customers. 3. Strength That Survives Transit, Stacking, and the Freezer Here's where material quality really separates the professionals from the rest. Cheap boxes crack at the corners. They split when you stack them. They shatter in cold storage or bend under the weight of the box above. Every broken box means spoiled fruit, rejected shipments, and lost money. Because we use higher-grade resin with consistent thickness control throughout the forming process, our boxes are: Rigid and strong, holding their shape under stacking pressure. Crack-resistant, even at cold-chain temperatures. Dimensionally consistent, so lids fit snugly every time — no loose lids, no leaks. You get fewer breakages, less waste, and a more reliable supply chain. That reliability is worth more than the few cents saved on an inferior box. 4. A Controlled Manufac...

Introduction As global brands shift toward sustainable packaging, PET (Polyethylene Terephthalate) has become the preferred material for custom plastic boxes. More food producers, electronics suppliers, cosmetic brands and retail sellers are switching to PET thermoformed boxes. It balances eco-performance, product protection, visual presentation and regulatory compliance — a rare combination that few alternative materials can match. If you are sourcing packaging for your product line, understanding why PET dominates today’s market will help you make a smarter packaging decision. 1. Highly Recyclable & Supports Circular Economy PET is marked with recycling code , the most widely accepted plastic in recycling systems across North America, Europe and many other regions. Unlike some mixed plastics, PET can be recycled repeatedly into new packaging, fibers and raw resin. We also offer rPET (recycled PET) options for clients targeting higher sustainability goals. Choosing PET plastic boxes helps your brand reduce carbon footprint, meet EU and US packaging regulations, and satisfy eco-conscious end buyers. It lets you tell a credible green story without sacrificing packaging quality. 2. Food-Safe & Compliant With Global Standards PET is inert and does not leach harmful substances under normal use. Our PET boxes meet FDA and EU food-contact requirements, making them safe for fruits, bakery, snacks, prepared meals and confectionery. For non-food applications such as electronic components, hardware and gift items, PET also delivers stable, clean packaging performance. 3. Crystal Clear Transparency To Showcase Your Products PET offers glass-like clarity. Retail customers can directly view the color, texture and condition of goods inside the box. This visibility boosts shelf appeal and builds buyer trust. It works perfectly for fresh produce, cookies, pastries, consumer goods and retail gift sets. The smooth surface supports custom printing, embossing and branding to elevate your product image. 4. Lightweight, Shatter-Resistant & Cost-Effective For Shipping PET is strong yet lightweight. It is far less fragile than glass and lighter than rigid PVC. During ocean shipping, air freight and last-mile delivery, PET boxes resist impact and reduce breakage rates. Lower weight also cuts down transportation costs and carbon emissions per shipment. Its stable physical property keeps shape well under regular temperature and humidity changes, protecting contents from moisture and dust. 5. Flexible For Custom Thermoforming (OEM & ODM Available) PET is excellent for vacuum thermoforming. We can produce custom cavities, trays, clamshells and boxes according to your drawings or samples. Whether you need deep cavities, compartment trays, anti-static ESD PET trays for electronics, or food-grade containers with special venting design, PET can be tooled to match your exact dimensions. From prototype sampling to mass production, PET enables fast mold ...

Clamshell Blister vs Conventional Blister Pack: Don’t Mix Them Up! Those working in packaging, foreign trade and cross‑border retail frequently handle various blister packs. Many cannot tell clamshell blister packaging apart from conventional blister boxes /blister shells, and even assume all clear plastic packages belong to the same category. In fact, they differ greatly in structure, sealing performance, product protection, application scenarios and export compliance standards. A wrong selection will not only hurt product presentation, but also cause transit damage, customer returns and failure to meet supermarket entry requirements. Today we break down their key differences to help you avoid common pitfalls. 1. What Is a Clamshell Blister? Literally meaning “clam shell”, clamshell is a classic thermoformed blister structure. Industry aliases include hinged blister box, one‑piece blister pack and integrated clamshell lid‑base pack. Its core feature: the top lid and base are integrated with a built in living hinge for opening and closing. Complete structure: top lid + product cavity + living hinge + base. It is thermo‑formed from a single sheet with no separate assembly required. It opens and closes like a clam shell. Once closed, it can be secured with snaps, heat sealing or security labels to form a fully‑enclosed clear chamber. Clamshell packaging。 It is the dominant packaging format for European and American supermarkets and cross‑border e commerce. Well known examples such as Costco fruit containers, Walmart berry punnets and salad to go boxes are mostly PET clamshell packs. 2. What Is a Conventional Blister Pack? Common conventional blister packs are mostly split‑type designs, mainly in two forms: Blister shell: single sided clear plastic shell sealed to a paper card, widely used for small hardware, spare parts and consumer goods. Separate lid‑base blister: fully independent lid and base without connecting hinge. Manual alignment and closing are needed, with no built in snap closure. General features: open, split construction requiring manual assembly. Simple design with lower cost yet poor sealing and tamper resistance. 3. Key Industry Level Differences Structural Difference Clamshell Blister：One piece thermoforming. Top and base connected via an integral living hinge, non‑separable, smooth opening closing, no assembly seams. 2.Conventional Blister Pack：Separate independent parts. Lid and base are completely disconnected. Manual assembly is required, prone to misalignment and loose fit. 2. Sealing & Protection Performance Clamshell: Fully enclosed after closing, excellent dust‑proof, moisture‑proof and drop‑resistant performance. Secured by snaps or heat‑sealing for tamper‑evidence with visible opening marks, ideal for retail goods requiring high safety standards. Conventional blister: Mostly semi‑open /jointed construction with large gaps. Poor sealing and weak anti‑tamper function, only providing basic dust protect...