Compare PP food container quotations by scope before comparing unit prices. U.S. pro forma guidance lists items quoted, product weights and dimensions, delivery point, payment terms, shipping estimate and validity date [1]. As a buyer-side recommendation, also ask whether the quoted item includes a lid and how it is packed, then align those answers across offers before assessing price.
Why can two PP food container quotations look comparable but not be?
The International Trade Administration lists “items quoted” among the pro forma fields [1]. For a PP-container comparison, we recommend asking each supplier to specify whether the quoted item includes a lid, which container type is offered, and whether the selling unit is a piece or an outer pack. Those are buyer questions, not product facts asserted by the source.
The International Trade Administration says a pro forma invoice contains much of the information in a formal quotation and can sometimes replace it [1]. Our buyer-side recommendation is to send the same field list to each supplier and mark missing responses as “not stated” before comparing price. This procedure is an inference from the listed quotation fields, not an official requirement [1].
What should a quotation state besides the unit price?
Official guidance lists the points a pro forma invoice should carry: seller name and address, buyer name and address, buyer's reference, items quoted, unit prices and extended totals, weights and dimensions of quoted products, discounts if applicable, terms of sale or Incoterm with the delivery point, terms of payment, estimated shipping date, and validity date [1]. A buyer can use that same list to test whether a PP container quotation is complete.
The table below is our suggested buyer checklist, adapted from the public pro forma field list; it is not an official supplier template [1].
| Field | What to look for |
|---|---|
| Parties and reference | Seller name and address, buyer name and address, and your own buyer reference number [1]. |
| Items quoted | Ask for the product family, model and included lid as buyer-defined detail under the official “items quoted” field [1]. |
| Unit and extended price | Per-unit price, extended totals and any discount, so the arithmetic can be checked [1]. |
| Weights and dimensions | Distinguish quoted-product weights and dimensions in the pro forma [1] from package weights and measurements in the packing list [3]. |
| Terms of sale | Incoterm plus the named delivery point, so two offers share a comparison basis [1]. |
| Payment terms | When and how payment is expected [1]. |
| Shipping and validity | Estimated shipping date and the date the offer stops being valid [1]. |
| Documentation | Ask which documents apply and which party will prepare them; the official guidance says to start with the importer or freight forwarder to determine needed documents [2]. |
How should buyers compare quotations before negotiating price?
Our suggested sequence uses the quotation fields listed by the International Trade Administration; it is a buyer-side comparison method, not a rule stated by that source [1].
- Normalise the item: confirm whether the price covers a container alone, a container with lid, or a container with lid and outer pack [1].
- Normalise the selling unit: piece, sleeve, pack or carton, using the packing-list concept of itemising each package [3].
- Normalise the delivery basis: check the Incoterm and the named delivery point, since both belong on the quotation [1].
- Normalise documentation: list which documents are included and which remain the buyer's responsibility [2].
- Normalise validity and shipping estimates, and treat an expired offer as requiring reconfirmation; the source lists an estimated shipping date and validity date but does not prescribe a comparison method [1].
- Record every scope difference before any price talk, and confirm agreed changes in writing, as changes to the pro forma information should not be made without the buyer's consent [1].
Which packing and carton fields belong in the comparison?
A packing list itemises the contents of each package and includes weights, measurements and a detailed list of goods per package; freight forwarders use it to determine weights and freight costs, and customs officials use it to check carton contents [3].
At quotation stage, we suggest requesting item reference, count per pack and carton, carton weights, dimensions and marks as a comparison set. The U.S. export-document guidance describes total net and gross weight, package marks and dimensions where appropriate [2]; its packing-list page describes package contents, weights and measurements [3]. Actual figures remain order-specific.
How can buyers verify which export documents matter?
Official guidance recommends starting with your foreign customer or importer and a freight forwarder to establish which documents a shipment needs [2]. Common documents include the pro forma invoice, commercial invoice, packing list, certificate of origin for some destinations, bill of lading or airway bill, and export compliance documents where applicable [2].
A quotation that stays silent on documentation does not remove the need to confirm it; it simply leaves a field open. Buyers can name the expected documents on the offer, state which party prepares each, and record whether a document is included in the price or handled separately. The relevant set depends on the product, destination and buyer instructions, so treat documentation as a field to confirm rather than assume [2].
Actionable recommendations before you sign
Build one comparison sheet with identical rows for every quotation and fill it only from the supplier's written offer. Mark missing entries as "not stated" and seek clarification before any price negotiation [1] [3].
Keep that approved field list with the order file so later changes to quantity, packing or delivery point can be checked against the original scope. Because the pro forma invoice can carry the same information as a formal quotation, any update to it should be agreed with the buyer rather than applied unilaterally [1].
To review current product families and configurations, see the JR DELIPACK Products page. Quality-process and specification questions are described on the Factory & Quality page, and buyers can send a quotation field list or request a comparison template through the Contact page.
Frequently asked questions
Is a low unit price automatically the better quotation?
No. A lower unit price may describe a different scope: a container without a lid, a different selling unit, a different delivery point, or a shorter validity period. Match scopes first, then compare prices on the same packing, delivery and documentation basis [1] [3].
Should the quotation name the export documents?
Official guidance advises starting with the importer or freight forwarder to establish which documents are needed, and lists common documents such as the pro forma invoice, commercial invoice, packing list, certificate of origin, bill of lading or airway bill, and compliance documents where applicable [2]. Naming them on the comparison sheet shows which party handles each item.
Can a quotation replace a pro forma invoice?
In many cases a pro forma invoice contains much of the same information as the formal quotation and can be used in place of one. It should give the buyer enough detail to make arrangements efficiently, and changes should not be made without the buyer's consent [1]. The quotation itself should still be complete enough to compare on equal terms [1].
What belongs on the packing side of the comparison?
A packing list itemises each package's contents and includes weights, measurements and item-level detail; freight forwarders use it to determine weights and freight costs [3]. Requesting those fields at quotation stage helps buyers compare the physical shipment rather than the piece price alone [3].
References
- [1] Pro Forma Invoice — International Trade Administration. https://www.trade.gov/pro-forma-invoice. Publication date not provided.
- [2] Common Export Documents — International Trade Administration. https://www.trade.gov/common-export-documents. Publication date not provided.
- [3] Packing List — International Trade Administration. https://www.trade.gov/packing-list. Publication date not provided.


